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<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=4519</link>
<title>HTTPS & SSL Guide fhoặc .boo, .day, .dev, .page, và .rsvp</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
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<p>
	<h2>
		<strong>HTTPS &amp; SSL Guide fhoặc .boo, .day, .dev, .page, và .rsvp</strong>
	</h2>
<strong><br />
Quick Answer</strong>
</p>
<p>
	Choose hoặc manage the certificate based on the hostnames you need to protect, the validation level, the server platfhoặcm và whether you control <span class="caps">DNS</span>. Keep the private key secure, complete validation, install the full certificate chain và verify the live <span class="caps">HTTPS</span> connection befhoặce relying on the<span class="widont">&nbsp;</span>certificate.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong>
</p>
<ul>
	<li>
		Identify every hostname the certificate must cover.
	</li>
	<li>
		Xác nhận that you control DNS hoặc the required validation channel.
	</li>
	<li>
		Generate và securely retain the private key when a CSR is required.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong>
</p>
<p>
	<span class="caps">HTTPS</span> <span class="amp">&amp;</span> <span class="caps">SSL</span> Configuration Guide Đến ensure the security of của bạn website và protect của bạn visithoặcs, all tên miềns under.boo,.day,.dev,.page, và.rsvp must use <span class="caps">HTTPS</span>. This guide will help you configure <span class="caps">SSL</span>/<span class="caps">TLS</span><span class="widont">&nbsp;</span>choặcrectly.
</p>
<ol>
	<li>
		<p>
			What is HTTPS? HTTPS (Hypertext Transfer Protocol Secure) encrypts data between của bạn website và its visithoặcs. It trướcents eavesdropping và ensures data integrity.
		</p>
	</li>
	<li>
		<p>
			Obtaining an Chứng chỉ SSL NICENIC provides trusted SSL certificates. You can learn mhoặce và mua/configure a certificate tại đây: <a href="https://nicenic.com/ssl-certificates/" target="_blank" rel="nofollow noopener">https://nicenic.com/ssl-certificates/</a>
		</p>
	</li>
	<li>
		<p>
			Installing the Chứng chỉ SSL Theo dõi của bạn web server's instructions to install the certificate. Common servers include: Apache: <a href="https://httpd.apache.org/docs/current/ssl/ssl_howto.html" target="_blank" rel="nofollow noopener">https://httpd.apache.org/docs/current/ssl/ssl_howto.html</a> Nginx: <a href="https://nginx.org/en/docs/http/configuring_https_servers.html" target="_blank" rel="nofollow noopener">https://nginx.org/en/docs/http/configuring_https_servers.html</a> IIS (Windows): <a href="https://docs.microsoft.com/en-us/iis/manage/configuring-security/how-to-set-up-ssl-on-iis" target="_blank" rel="nofollow noopener">https://docs.microsoft.com/en-us/iis/manage/configuring-security/how-to-set-up-ssl-on-iis</a>
		</p>
	</li>
	<li>
		<p>
			Enfhoặcce HTTPS Once của bạn certificate is installed: Redirect all HTTP traffic to HTTPS. Update internal links và resources to use HTTPS. Verify that của bạn website is fully accessible via HTTPS.
		</p>
	</li>
	<li>
		<p>
			Keep Chứng chỉ Đã cập nhật SSL certificates have expiration dates. Ensure certificates are renewed befhoặce they expire và check của bạn website regularly to maintain uninterrupted secure connections.
		</p>
	</li>
</ol>
<p>
	<strong><br />
How to Verify</strong>
</p>
<p>
	Mở the <span class="caps">HTTPS</span> site from a clean browser session và inspect the certificate subject, <span class="caps">SAN</span> hostnames, issuer, validity dates và chain. Test every hostname covered by the certificate và confirm that <span class="caps">HTTP</span> redirects behave as<span class="widont">&nbsp;</span>intended.
</p>
<p>
	<strong><br />
Troubleshooting</strong>
</p>
<ul>
	<li>
		DNS validation rechoặcds are missing, inchoặcrect hoặc added at the wrong DNS provider.
	</li>
	<li>
		The certificate does not include the hostname being opened.
	</li>
	<li>
		The private key does not match the certificate hoặc CSR.
	</li>
	<li>
		The server is missing an intermediate certificate hoặc is still presenting the old certificate.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong>
</p>
<p>
	<strong>Can I reuse the same certificate after moving<span class="widont">&nbsp;</span>servers?</strong>
</p>
<p>
	Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, <span class="caps">CSR</span> hoặc certificate details must<span class="widont">&nbsp;</span>change.
</p>
<p>
	<strong>Why does the browser still show the old<span class="widont">&nbsp;</span>certificate?</strong>
</p>
<p>
	The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the<span class="widont">&nbsp;</span>configuration.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong>
</p>
<p>
	Gửi a ticket when validation remains pending after the published rechoặcds are visible, hoặc when the NiceNIC hoặcder does not provide the expected certificate<span class="widont">&nbsp;</span>files.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong>
</p>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Generate-CSR-Code-3904" target="_blank">How to Generate a CSR Code</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank">How to install SSL certificates</a></strong>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <strong><a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank">submit a NiceNIC supphoặct ticket</a></strong> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
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</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=4374</link>
<title>How to Set Up và Troubleshoot DNSSEC fhoặc Your Tên miền</title> 
<author>www.nicenic.com</author>
<category>Fix Tên miền hoặc DNS Problems</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=315</guid> 
<description>
<![CDATA[
	<strong><span style="font-size:16px;">How to Set Up và Troubleshoot DNSSEC fhoặc Your Tên miền?</span></strong><br />
<br />
<span style="font-size:16px;"> DNSSEC helps protect của bạn tên miền’s DNS rechoặcds from being tampered with during DNS resolution. It adds a layer of verification so that DNS resolvers can confirm the DNS response really comes from the choặcrect source.</span><br />
<br />
<strong><span style="font-size:16px;">Tại NiceNIC, DNSSEC usually involves two sides:</span></strong><br />
<span style="font-size:16px;"> Your DNS provider hoặc nameserver provider generates the DNSSEC rechoặcds.</span><br />
<span style="font-size:16px;"> NiceNIC, as của bạn tên miền registrar, helps submit the DS rechoặcds to the registry when the TLD supphoặcts DNSSEC.</span><br />
<br />
<span style="font-size:16px;"> Nếu DNSSEC is not configured choặcrectly, của bạn tên miền may show DNSSEC errhoặcs, hoặc in mhoặce serious cases, some users may not be able to access của bạn website.</span><br />
<br />
<strong><span style="font-size:16px;">What Is DNSSEC?</span></strong><br />
<span style="font-size:16px;"> DNSSEC stvàs fhoặc Tên miền System Security Extensions.</span><br />
<span style="font-size:16px;"> In simple terms, DNSSEC helps verify that the DNS answer fhoặc của bạn tên miền has not been changed hoặc fhoặcged during the lookup process.</span><br />
<span style="font-size:16px;"> Fhoặc example, when someone visits của bạn website, DNS is used to find the choặcrect server IP address. DNSSEC helps make sure that the DNS result is authentic và has not been replaced with false data.</span><br />
<span style="font-size:16px;"> DNSSEC does not replace SSL, website security, hosting security, hoặc email security. It only helps protect the DNS resolution process.</span><br />
<br />
<strong><span style="font-size:16px;">When Do You Need DNSSEC?</span></strong><br />
<ol>
	<li>
		<span style="font-size:16px;">You may want to enable DNSSEC if:</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your website hvàles sensitive user infhoặcmation.</span> 
	</li>
	<li>
		<span style="font-size:16px;">You run business email, login systems, payment pages, hoặc customer phoặctals.</span> 
	</li>
	<li>
		<span style="font-size:16px;">You want stronger tên miền security.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your DNS provider supphoặcts DNSSEC.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your tên miền extension supphoặcts DNSSEC.</span> 
	</li>
</ol>
<span style="font-size:16px;">Nếu you are not familiar with DNS management, we recommend confirming with của bạn DNS provider befhoặce enabling DNSSEC.</span><br />
<span style="font-size:16px;"> Inchoặcrect DNSSEC settings may affect tên miền resolution.</span><br />
<br />
<strong><span style="font-size:16px;">Imphoặctant DNSSEC Thời hạns</span></strong><br />
<strong><span style="font-size:16px;">DNSKEY:&nbsp;</span></strong><span style="font-size:16px;">A DNSKEY rechoặcd is generated by của bạn DNS provider. It is used as part of the DNSSEC validation process.</span><br />
<strong><span style="font-size:16px;">DS Rechoặcd:&nbsp;</span></strong><span style="font-size:16px;">A DS rechoặcd connects của bạn tên miền’s DNSSEC setup with the parent registry zone.&nbsp;In most cases, của bạn DNS provider gives you the DS rechoặcd, và you need to add it through của bạn registrar.</span><br />
<strong><span style="font-size:16px;">Tênserver:&nbsp;</span></strong><span style="font-size:16px;">Your nameservers decide wtại đây của bạn tên miền’s DNS rechoặcds are managed. Nếu you change nameservers, của bạn DNSSEC rechoặcds may also need to be updated.</span><br />
<br />
<strong><span style="font-size:16px;">How to Enable DNSSEC fhoặc Your Tên miền</span></strong><br />
<br />
<strong><span style="font-size:16px;">Step 1: Kiểm tra Whether Your DNS Provider Supphoặcts DNSSEC</span></strong><br />
<span style="font-size:16px;"> Đăng nhập to the platfhoặcm wtại đây của bạn DNS is managed.</span><br />
<span style="font-size:16px;"> This may be:</span><br />
<span style="font-size:16px;"> Your tên miền registrar, tại đây is&nbsp;NiceNIC</span><br />
<span style="font-size:16px;"> Your hosting provider</span><br />
<span style="font-size:16px;"> Your DNS provider</span><br />
<span style="font-size:16px;"> Your own DNS server</span><br />
<span style="font-size:16px;"> Another third-party DNS Dịch vụ</span><br />
<span style="font-size:16px;"> Make sure DNSSEC is supphoặcted và enabled ttại đây.</span><br />
<br />
<strong><span style="font-size:16px;">Step 2: Nhận the DS Rechoặcd from Your DNS Provider</span></strong><br />
<span style="font-size:16px;"> After enabling DNSSEC, của bạn DNS provider should provide DNSSEC infhoặcmation such as:</span><br />
<span style="font-size:16px;"> Key Tag</span><br />
<span style="font-size:16px;"> Alghoặcithm</span><br />
<span style="font-size:16px;"> Digest Loại</span><br />
<span style="font-size:16px;"> Digest</span><br />
<span style="font-size:16px;"> DS Rechoặcd</span><br />
<span style="font-size:16px;"> Please copy the infhoặcmation exactly as provided.</span><br />
<span style="font-size:16px;"> Even one inchoặcrect character may cause DNSSEC validation failure.</span><br />
<br />
<strong><span style="font-size:16px;">Step 3: Thêm the DS Rechoặcd in Your NiceNIC Account</span></strong><br />
<span style="font-size:16px;"> Đăng nhập to của bạn NiceNIC account và go to của bạn tên miền management page.</span><br />
<span style="font-size:16px;"> Then add the DS rechoặcd provided by của bạn DNS provider.</span><br />
<span style="font-size:16px;"> Nếu you are not sure wtại đây to add it, please contact our supphoặct team và provide the DS rechoặcd from của bạn DNS provider.</span><br />
<br />
<strong></strong><strong><span style="font-size:16px;">Step 4: Wait fhoặc DNSSEC Propagation</span></strong><br />
<span style="font-size:16px;"> After the DS rechoặcd is added, it may take some time fhoặc the update to propagate.</span><br />
<span style="font-size:16px;"> During this period, DNSSEC check results may not update immediately.</span><br />
<br />
<strong><span style="font-size:16px;">Step 5: Verify DNSSEC Trạng thái</span></strong><br />
<span style="font-size:16px;"> After propagation, you may check của bạn tên miền’s DNSSEC status using a DNSSEC checking tool hoặc by contacting our supphoặct team.</span><br />
<span style="font-size:16px;"> Nếu DNSSEC is choặcrectly configured, the DNSSEC validation result should show a valid chain of trust.</span><br />
<br />
<strong><span style="font-size:16px;">When Should You Disable hoặc Xóa DNSSEC?</span></strong><br />
<span style="font-size:16px;"> You may need to remove hoặc update DNSSEC rechoặcds if:</span><br />
<ul>
	<li>
		<span style="font-size:16px;">You changed của bạn nameservers.</span> 
	</li>
	<li>
		<span style="font-size:16px;">You moved DNS management to another provider.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your DNS provider disabled DNSSEC.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your DS rechoặcd no longer matches the current DNSKEY.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your website hoặc email has DNS resolution issues after a DNS change.</span> 
	</li>
</ul>
<span style="font-size:16px;">Imphoặctant: Nếu của bạn tên miền has old DS rechoặcds but the current nameservers no longer provide matching DNSSEC rechoặcds, DNSSEC validation may fail.</span><br />
<span style="font-size:16px;"> In this case, you may need to remove the old DS rechoặcds first, wait fhoặc propagation, và then re-enable DNSSEC with the choặcrect new rechoặcds.</span><br />
<br />
<strong><span style="font-size:16px;">Why Does My Tên miền Show "DNSSEC Infhoặcmation Is Currently Unavailable"?</span></strong><br />
<span style="font-size:16px;"> You may see this message:</span><br />
<span style="font-size:16px;"> DNSSEC infhoặcmation is currently unavailable fhoặc this tên miền.</span><br />
<span style="font-size:16px;"> This can happen fhoặc several reasons:</span><br />
<ul>
	<li>
		<span style="font-size:16px;">DNSSEC has not been enabled fhoặc this tên miền.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Không DS rechoặcd has been added at the registrar level.</span> 
	</li>
	<li>
		<span style="font-size:16px;">The tên miền’s current nameservers do not supphoặct DNSSEC.</span> 
	</li>
	<li>
		<span style="font-size:16px;">The tên miền recently changed nameservers.</span> 
	</li>
	<li>
		<span style="font-size:16px;">The DS rechoặcd does not match the current DNSKEY.</span> 
	</li>
	<li>
		<span style="font-size:16px;">The DNS provider has not published the required DNSSEC rechoặcds choặcrectly.</span> 
	</li>
	<li>
		<span style="font-size:16px;">The registry hoặc DNSSEC query is temphoặcarily unavailable.</span> 
	</li>
</ul>
<span style="font-size:16px;">This message does not always mean của bạn tên miền is broken.</span><br />
<span style="font-size:16px;"> However, if của bạn website hoặc email is not resolving choặcrectly, please contact supphoặct so we can help review the DNSSEC configuration.</span><br />
<br />
<strong><span style="font-size:16px;">What Infhoặcmation Should I Provide to Supphoặct?</span></strong><br />
<span style="font-size:16px;"> Đến help us check DNSSEC issues faster, please provide:</span><br />
<ol>
	<li>
		<span style="font-size:16px;">Your tên miền name</span> 
	</li>
	<li>
		<span style="font-size:16px;">Your current nameservers</span> 
	</li>
	<li>
		<span style="font-size:16px;">Whether you recently changed nameservers</span> 
	</li>
	<li>
		<span style="font-size:16px;">The DS rechoặcd provided by của bạn DNS provider</span> 
	</li>
	<li>
		<span style="font-size:16px;">A screenshot of the DNSSEC setting from của bạn DNS provider</span> 
	</li>
	<li>
		<span style="font-size:16px;">Any DNSSEC errhoặc message you received</span> 
	</li>
	<li>
		<span style="font-size:16px;">Whether của bạn website hoặc email is currently affected</span> 
	</li>
</ol>
<span style="font-size:16px;">With this infhoặcmation, our supphoặct team can check whether the issue is caused by missing DS rechoặcds, mismatched DNSSEC rechoặcds, nameserver changes, hoặc registry-side limitations.</span><br />
<br />
<strong><span style="font-size:16px;">Câu hỏi thường gặp Giới thiệu DNSSEC</span></strong><br />
<br />
<strong><span style="font-size:16px;">1. Is DNSSEC required fhoặc every tên miền?</span></strong><br />
<span style="font-size:16px;"> Không. DNSSEC is not required fhoặc every tên miền.</span><br />
<span style="font-size:16px;"> However, it is recommended fhoặc tên miềns that need stronger DNS security, especially business websites, email Dịch vụs, login systems, financial Dịch vụs, và customer phoặctals.</span><br />
<span style="font-size:16px;"> Nếu you are not sure whether you need DNSSEC, please confirm whether của bạn DNS provider supphoặcts it và whether you are comfhoặctable managing DNSSEC rechoặcds.</span><br />
<br />
<strong><span style="font-size:16px;">2. </span></strong><strong><span style="font-size:16px;">Is DNSSEC the same as SSL?</span></strong><br />
<span style="font-size:16px;"> Không.</span><br />
<span style="font-size:16px;"> SSL protects the connection between the user’s browser và của bạn website.</span><br />
<span style="font-size:16px;"> DNSSEC protects DNS resolution by helping verify that DNS responses have not been tampered with.</span><br />
<span style="font-size:16px;"> Fhoặc better security, many websites use both SSL và DNSSEC, but they are different technologies.</span><br />
<br />
<strong><span style="font-size:16px;">3. </span></strong><strong><span style="font-size:16px;">Can NiceNIC generate DNSSEC rechoặcds fhoặc me?</span></strong><br />
<span style="font-size:16px;"> In most cases, DNSSEC rechoặcds are generated by của bạn DNS provider, not by the registrar.</span><br />
<span style="font-size:16px;"> NiceNIC can help submit the DS rechoặcd to the registry when the tên miền extension supphoặcts DNSSEC.</span><br />
<span style="font-size:16px;"> Nếu you use a third-party DNS provider, please enable DNSSEC ttại đây first và then provide us with the DS rechoặcd.</span><br />
<br />
<strong><span style="font-size:16px;">4. Why does DNSSEC fail after I change nameservers?</span></strong><br />
<span style="font-size:16px;"> This is one of the most common DNSSEC issues.</span><br />
<span style="font-size:16px;"> When you change nameservers, của bạn old DNSSEC rechoặcds may no longer match the new DNS provider’s DNSKEY.</span><br />
<span style="font-size:16px;"> Nếu the old DS rechoặcd remains active at the registry level, DNSSEC validation may fail.</span><br />
<span style="font-size:16px;"> Befhoặce hoặc after changing nameservers, you should check whether the DS rechoặcd needs to be removed hoặc replaced.</span><br />
<br />
<strong><span style="font-size:16px;">5. </span></strong><strong><span style="font-size:16px;">What happens if the DS rechoặcd is wrong?</span></strong><br />
<span style="font-size:16px;"> Nếu the DS rechoặcd does not match the DNSKEY published by của bạn current DNS provider, DNSSEC validation may fail.</span><br />
<span style="font-size:16px;"> This may cause some DNS resolvers to reject the DNS response.</span><br />
<span style="font-size:16px;"> As a result, của bạn website, email, hoặc other Dịch vụs may become unreachable fhoặc some users.</span><br />
<br />
<strong><span style="font-size:16px;">6. </span></strong><strong><span style="font-size:16px;">I do not use DNSSEC. Do I need to do anything?</span></strong><br />
<span style="font-size:16px;"> Nếu you do not use DNSSEC và của bạn tên miền has no DS rechoặcds, usually no action is needed.</span><br />
<span style="font-size:16px;"> However, if của bạn tên miền has old DS rechoặcds from a trướcious DNS provider, you should remove them to avoid DNSSEC validation problems.</span><br />
<br />
<strong><span style="font-size:16px;">7. </span></strong><strong><span style="font-size:16px;">Why does my DNSSEC status still show an errhoặc after I updated the rechoặcd?</span></strong><br />
<span style="font-size:16px;"> DNSSEC updates may take time to propagate.</span><br />
<span style="font-size:16px;"> Nếu you recently added, removed, hoặc changed DS rechoặcds, please wait fhoặc DNS propagation và check again later.</span><br />
<span style="font-size:16px;"> Nếu the issue continues, please contact supphoặct và provide của bạn tên miền name, current nameservers, và DS rechoặcd.</span><br />
<br />
<strong><span style="font-size:16px;">8. Can DNSSEC cause my website to stop whoặcking?</span></strong><br />
<span style="font-size:16px;"> Có, if DNSSEC is inchoặcrectly configured.</span><br />
<span style="font-size:16px;"> Common causes include:</span><br />
<ul>
	<li>
		<span style="font-size:16px;">Wrong DS rechoặcd</span> 
	</li>
	<li>
		<span style="font-size:16px;">Old DS rechoặcd after nameserver change</span> 
	</li>
	<li>
		<span style="font-size:16px;">Missing DNSKEY</span> 
	</li>
	<li>
		<span style="font-size:16px;">DNS provider not publishing DNSSEC rechoặcds choặcrectly</span> 
	</li>
	<li>
		<span style="font-size:16px;">Hết hạnd hoặc invalid DNSSEC signatures</span> 
	</li>
</ul>
<span style="font-size:16px;">Nếu của bạn website stops whoặcking after DNSSEC changes, please contact supphoặct immediately.</span><br />
<br />
<strong><span style="font-size:16px;">9. </span></strong><strong><span style="font-size:16px;">Should I remove DNSSEC befhoặce changing nameservers?</span></strong><br />
<span style="font-size:16px;"> In many cases, yes.</span><br />
<span style="font-size:16px;"> Nếu you are moving to a new DNS provider và you are not sure how to migrate DNSSEC safely, removing the old DS rechoặcd befhoặce changing nameservers can reduce the risk of DNSSEC validation failure.</span><br />
<span style="font-size:16px;"> After the new nameservers are active và DNSSEC is enabled at the new DNS provider, you can add the new DS rechoặcd again.</span><br />
<br />
<strong><span style="font-size:16px;">10. </span></strong><strong><span style="font-size:16px;">What should I do if I see “Failure to get DNSSEC info”?</span></strong><br />
<span style="font-size:16px;"> This usually means the system could not retrieve valid DNSSEC infhoặcmation fhoặc the tên miền.</span><br />
<span style="font-size:16px;"> Please check:</span><br />
<ul>
	<li>
		<span style="font-size:16px;">Whether DNSSEC is enabled</span> 
	</li>
	<li>
		<span style="font-size:16px;">Whether the DS rechoặcd has been added</span> 
	</li>
	<li>
		<span style="font-size:16px;">Whether the nameservers supphoặct DNSSEC</span> 
	</li>
	<li>
		<span style="font-size:16px;">Whether the DS rechoặcd matches the DNSKEY</span> 
	</li>
	<li>
		<span style="font-size:16px;">Whether you recently changed nameservers</span> 
	</li>
</ul>
<span style="font-size:16px;">Nếu you are not sure, please contact NiceNIC supphoặct và provide của bạn tên miền name và DNSSEC details from của bạn DNS provider.</span><br />
<br />
<span style="font-family:Verdana;font-size:16px;"><strong>How to set up DNSSEC fhoặc a tên miền đăng kýed on NiceNIC?<br />
</strong></span><br />
<span style="font-size:16px;"> 1.&nbsp;</span><span style="font-family:Verdana;font-size:16px;">Đăng nhập to của bạn NiceNIC account và navigate to của bạn tên miền management page.&nbsp;</span><span style="font-family:Verdana;font-size:14px;"><span style="font-size:16px;">Find the tên miền you wish to enable DNSSEC fhoặc và click Quản lý.</span><br />
</span><br />
<div style="text-align:center;">
	<span style="font-size:16px;">&nbsp;</span><img src="http://img.pc51.com/webimage/img/image/20260420/20260420182531_49076.png" width="950" alt="" /> 
</div>
<span style="font-family:Verdana;font-size:14px;"><br />
<span style="font-size:16px;"> 2. In the tên miền management section, you should see the DNSSEC button.&nbsp;</span></span><span style="font-family:Verdana;font-size:16px;">Nhấp on the DNSSEC button to access the DNSSEC settings page.</span><br />
<div style="text-align:center;">
	<span style="font-size:16px;">&nbsp;</span><img src="http://img.pc51.com/webimage/img/image/20260420/20260420182408_11547.png" width="950" height="454" alt="" /> 
</div>
<br />
<span style="font-family:Verdana;font-size:16px;">3. Enter the required infhoặcmation fhoặc DNSSEC configuration (this will typically include DNSSEC key details provided by của bạn DNS hosting provider).</span><br />
<div style="text-align:center;">
	<span style="font-size:16px;">&nbsp;</span><img src="http://img.pc51.com/webimage/img/image/20260420/20260420182447_28095.png" width="950" alt="" /> 
</div>
<br />
<p>
	<span style="font-family:Verdana;font-size:16px;">4. Once you've entered the infhoặcmation, click Thêm to enable DNSSEC fhoặc the tên miền.&nbsp;</span><span style="font-family:Verdana;font-size:16px;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;">Here’s an example of a successful DNSSEC setup:</span> 
</p>
<p>
	<br />
</p>
<div style="text-align:center;">
	<span style="font-size:16px;">&nbsp;</span><img src="http://img.pc51.com/webimage/img/image/20250724/20250724230610_48852.png" width="950" title="DNSSEC" alt="DNSSEC" /> 
</div>
<br />
<span style="font-size:16px;">After entering the necessary DNSSEC key data (usually the DS rechoặcd), you'll receive confirmation that DNSSEC has been successfully added to của bạn tên miền settings.</span><br />
<span style="font-size:16px;"> The DNSSEC status will show as enabled và you'll be able to see the public keys và other details.</span><br />
<span style="font-size:16px;"> With DNSSEC ngay enabled, của bạn tên miền is better protected against DNS-related attacks.</span><br />
<br />
<strong><span style="color:#E53333;font-size:16px;">Tạitention: if của bạn tên miền name was transferred into NiceNIC from another Nhà đăng ký, và you hope to disable the DNSSEC</span></strong><span style="font-size:16px;"> trướciously with the old Nhà đăng ký, please firstly check the latest whois, if you see "DNSSEC: unsigned", then it means during the tên miền transfer process, the DNSSEC settings have been disabled automatically by the old Nhà đăng ký, while if it is "DNSSEC: signed", please check the tên miền management section at của bạn control panel at NiceNIC, you should see the DNSSEC button, please click on the DNSSEC button to access the DNSSEC settings page.</span><br />  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3845</link>
<title>What Happens to My Tênservers After a Chuyển nhượng tên miền?</title> 
<author>www.nicenic.com</author>
<category>Chuyển nhượng tên miềns</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=313</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:18px;"><strong>Trạng thái of Tên Máy chủ After a Chuyển nhượng tên miền</strong></span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;">After the tên miền is transferred, the name servers remain set to those associated to the tên miền befhoặce transfer.</span> 
</p>
<p>
	<br />
</p>
<p>
	<span></span><span style="font-size:16px;">Nếu you had child name servers fhoặc của bạn tên miền đăng kýed through another Nhà đăng ký, you may need to đăng ký them again through của bạn Account.</span> 
</p>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3847</link>
<title>How to Transfer Tên Máy chủ During a Chuyển nhượng tên miền?</title> 
<author>www.nicenic.com</author>
<category>Chuyển nhượng tên miềns</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=313</guid> 
<description>
<![CDATA[
	<article id="content">
<p>
	<h2>
		<strong>How to Transfer Tên Máy chủ During a Chuyển nhượng tên miền?</strong>
	</h2>
<strong><br />
Quick Answer</strong>
</p>
<p>
	A successful tên miền transfer depends on the tên miền's eligibility, lock status, authhoặcization method, registrant access và registry rules. Prepare the tên miền befhoặce hoặcdering the transfer, keep the existing <span class="caps">DNS</span> active, và monithoặc the transfer until<span class="widont">&nbsp;</span>completion.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong>
</p>
<ul>
	<li>
		Xác nhận the tên miền và registrant email are accessible.
	</li>
	<li>
		Rechoặcd the current nameservers và DNS rechoặcds.
	</li>
	<li>
		Kiểm tra the tên miền's expiry date, lock status và any TLD-specific transfer rule.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong>
</p>
<p>
	Transferring nameservers During a Chuyển nhượng tên miền Nếu you're just transferring the tên miền registration, của bạn hosting Dịch vụ will be unaffected, và ttại đây will be no need to change nameservers. Although the nameservers should be transferred as part of the process, it's always a good idea to have a rechoặcd of them. Nếu you wish to specify the nameservers to the default <span class="caps">DNS</span> servers as provided by NiceNIC you can reset the nameservers after the transfer has been completed. Steps Đăng nhập to của bạn account. Select the Tên miền tab. Select the tên miền that you want to change nameservers<span class="widont">&nbsp;</span>fhoặc.
</p>
<p>
	From within the <span class="caps">DNS</span> Máy chủ section click on Chỉnh sửa <span class="caps">DNS</span> Server. Change the nameservers as required, leaving any of the fields blank will retain the hoặciginal <span class="caps">DNS</span> server. The nameservers are not actually changed until the transfer process is complete. Nếu you wish to make an immediate change to the nameservers, you may do so with the Nhà đăng ký you are transferring<span class="widont">&nbsp;</span>from.
</p>
<p>
	<strong><br />
How to Verify</strong>
</p>
<p>
	Kiểm tra the transfer status in NiceNIC, confirm the registrar of rechoặcd after completion, verify the authhoặcitative nameservers, và test website và email resolution. Do not treat payment alone as proof that the transfer<span class="widont">&nbsp;</span>completed.
</p>
<p>
	<strong><br />
Troubleshooting</strong>
</p>
<ul>
	<li>
		The tên miền is locked, too new, recently transferred hoặc otherwise restricted by policy.
	</li>
	<li>
		The EPP/Auth code is missing, expired hoặc copied inchoặcrectly.
	</li>
	<li>
		The approval email cannot be received hoặc the registrant data is under verification.
	</li>
	<li>
		The tên miền hoặc related DNS Dịch vụ expires while the transfer is pending.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong>
</p>
<p>
	<strong>Does a transfer change my<span class="widont">&nbsp;</span>nameservers?</strong>
</p>
<p>
	A registrar transfer nhoặcmally keeps the current nameservers, but you should rechoặcd và verify them befhoặce và after the<span class="widont">&nbsp;</span>transfer.
</p>
<p>
	<strong>Can I edit the tên miền while a transfer is<span class="widont">&nbsp;</span>pending?</strong>
</p>
<p>
	Some settings may be restricted during a pending transfer. Avoid unnecessary ownership, lock hoặc <span class="caps">DNS</span> changes until the transfer<span class="widont">&nbsp;</span>completes.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong>
</p>
<p>
	Gửi a ticket when the status is unclear, a <span class="caps">TLD</span> uses a special transfer process, hoặc the transfer remains blocked after you choặcrect the stated<span class="widont">&nbsp;</span>issue.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong>
</p>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/How-do-I-verify-that-my-domain-is-eligible-for-transfer-3846" target="_blank">How do I verify that my tên miền is eligible fhoặc transfer?</a></strong>
	</li>
	<li>
		<strong><a href="http://https://nicenic.com/support/How-to-Unlock-a-Domain-Before-Transfer-4786" target="_blank">How to Unlock a Tên miền Befhoặce Transfer</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Transfer-a-Domain-to-NiceNIC-4784" target="_blank">How to Transfer a Tên miền to NiceNIC</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Transfer-a-Domain-Without-Website-or-Email-Downtime-4791" target="_blank">How to Transfer a Tên miền Without Website hoặc Email Downtime</a></strong>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
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<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3846</link>
<title>How do I verify that my tên miền is eligible fhoặc transfer?</title> 
<author>www.nicenic.com</author>
<category>Chuyển nhượng tên miềns</category>
<pubDate></pubDate> 
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<p>
	<h2>
		<strong>How to Kiểm tra Whether a Tên miền Is Eligible fhoặc Transfer</strong>
	</h2>
<strong><br />
Quick Answer</strong>
</p>
<p>
	Befhoặce starting a transfer, confirm that the tên miền is active, unlocked, not restricted by a transfer lock hoặc dispute, và eligible under the registry's rules. Make sure you can receive approval messages và obtain the <span class="caps">EPP</span>/Auth code when the <span class="caps">TLD</span> requires<span class="widont">&nbsp;</span>one.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong>
</p>
<ul>
	<li>
		Xác nhận the tên miền và registrant email are accessible.
	</li>
	<li>
		Rechoặcd the current nameservers và DNS rechoặcds.
	</li>
	<li>
		Kiểm tra the tên miền's expiry date, lock status và any TLD-specific transfer rule.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong>
</p>
<p>
	Befhoặce purchasing the transfer of any gTLD (e.g.,.<span class="caps">COM</span> /.<span class="caps">NET</span> /.<span class="caps">HOẶCG</span> /.<span class="caps">BIZ</span> /.<span class="caps">INFO</span> etc.) hoặc new gTLD (e.g..<span class="caps">CLUB</span> /.<span class="caps">CLOUD</span> /.<span class="caps">TRADE</span> /.<span class="caps">TOP</span> etc.), make sure của bạn tên miền meets the following<span class="widont">&nbsp;</span>conditions:
</p>
<ol>
	<li>
		<p>
			Your tên miền was đăng kýed hoặc transferred at least 60 days ago;
		</p>
	</li>
	<li>
		<p>
			The tên miền is unlocked at the current Nhà đăng ký (its WHOIS status should be OK hoặc Active). Also,you need to request an up-to-date Auth/EPPcode fhoặc the tên miền at của bạn current Nhà đăng ký. Nếu all criteria are met, you should be able to complete the transfer successfully. Still, some ccTLD (.ES và.UK) have additional transfer requirements và/hoặc exclude some points from the list above.
		</p>
	</li>
</ol>
<p>
	NOTE: Make sure the tên miền status is active, not expired. Nếu you wish to transfer an expired tên miền to NiceNIC, please contact our Supphoặct Team email <a href="/vi/rss/support/mailto:support@nicenic.net">supphoặct@nicenic.net</a> fhoặc further assistance.
</p>
<p>
	<strong><br />
How to Verify</strong>
</p>
<p>
	Kiểm tra the transfer status in NiceNIC, confirm the registrar of rechoặcd after completion, verify the authhoặcitative nameservers, và test website và email resolution. Do not treat payment alone as proof that the transfer<span class="widont">&nbsp;</span>completed.
</p>
<p>
	<strong><br />
Troubleshooting</strong>
</p>
<ul>
	<li>
		The tên miền is locked, too new, recently transferred hoặc otherwise restricted by policy.
	</li>
	<li>
		The EPP/Auth code is missing, expired hoặc copied inchoặcrectly.
	</li>
	<li>
		The approval email cannot be received hoặc the registrant data is under verification.
	</li>
	<li>
		The tên miền hoặc related DNS Dịch vụ expires while the transfer is pending.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong>
</p>
<p>
	<strong>Does a transfer change my<span class="widont">&nbsp;</span>nameservers?</strong>
</p>
<p>
	A registrar transfer nhoặcmally keeps the current nameservers, but you should rechoặcd và verify them befhoặce và after the<span class="widont">&nbsp;</span>transfer.
</p>
<p>
	<strong>Can I edit the tên miền while a transfer is<span class="widont">&nbsp;</span>pending?</strong>
</p>
<p>
	Some settings may be restricted during a pending transfer. Avoid unnecessary ownership, lock hoặc <span class="caps">DNS</span> changes until the transfer<span class="widont">&nbsp;</span>completes.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong>
</p>
<p>
	Gửi a ticket when the status is unclear, a <span class="caps">TLD</span> uses a special transfer process, hoặc the transfer remains blocked after you choặcrect the stated<span class="widont">&nbsp;</span>issue.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong>
</p>
<ul>
	<li>
		<a href="https://nicenic.com/support/How-to-Unlock-a-Domain-Before-Transfer-4786" target="_blank"><strong>How to Unlock a Tên miền Befhoặce Transfer</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-Transfer-a-Domain-to-NiceNIC-4784" target="_blank"><strong>How to Transfer a Tên miền to NiceNIC</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-Transfer-a-Domain-Without-Website-or-Email-Downtime-4791" target="_blank"><strong>How to Transfer a Tên miền Without Website hoặc Email Downtime</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/Why-Your-Domain-Transfer-Is-Pending-Failed-or-Delayed-4787" target="_blank"><strong>Why Your Chuyển nhượng tên miền Is Pending, Failed, hoặc Delayed</strong></a>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3842</link>
<title>How to transfer several tên miềns to NiceNIC in bulk?</title> 
<author>www.nicenic.com</author>
<category>Chuyển nhượng tên miềns</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=313</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:18px;"><strong>How to transfer several tên miềns to NiceNIC in bulk?</strong></span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;">Befhoặce submitting a transfer request with NiceNIC, make sure của bạn tên miềns are prepared fhoặc transfer through của bạn current registrar. This is generally done by removing transfer locks và getting the necessary Auth codes.</span> 
</p>
<p>
	<br />
<span style="font-size:16px;"><strong>Befhoặce You Begin</strong></span><br />
<br />
<span style="font-size:16px;">- Xác nhận the tên miền và registrant email are accessible.</span><br />
<span style="font-size:16px;">- Rechoặcd the current nameservers và DNS rechoặcds.</span><br />
<span style="font-size:16px;">- Kiểm tra the tên miền's expiry date, lock status và any TLD-specific transfer rule.</span><br />
</p>
<p>
	<span style="font-size:16px;">Learn how to prepare tên miềns fhoặc transfer in accounts sections of several popular registrars.</span> 
</p>
<p>
	<span style="font-size:16px;">Once those preparations are made, simply follow the steps below to transfer của bạn tên miềns:</span> 
</p>
<p>
	<br />
</p>
<p>
	<strong><span style="font-size:16px;">Khôngte:</span></strong><span style="font-size:16px;"> Each tên miền has a unique Auth code và has to be unlocked fhoặc transfer separately on the current registrar side.<br />
</span>
</p>
<ul>
	<li>
		<span style="font-size:16px;"><br />
</span>
	</li>
	<li>
		<span style="font-size:16px;">Đăng nhập to của bạn NiceNIC account.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Đi tới the Transfer to Us page.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Nhấp on Bulk options.</span> 
	</li>
</ul>
<p>
	<br />
</p>
<p>
	<span style="font-size:14px;"><img src="http://img.pc51.com/webimage/img/image/20260414/20260414171531_81056.png" width="1000" height="478" title="bulk transfer" alt="bulk transfer" /><br />
<br />
<img src="http://img.pc51.com/webimage/img/image/20260414/20260414171553_97908.png" width="1000" title="bulk transfer" alt="bulk transfer" /><br />
</span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:14px;"></span><span style="font-size:16px;">Enter the tên miền names và the Auth codes;</span> 
</p>
<p>
	<br />
</p>
<p>
	<strong><span style="font-size:16px;">Khôngte:</span></strong><span style="font-size:16px;"> Enter each tên miền và its Auth code in a new line. The Auth code has to be separated from the tên miền name by a comma và one space.</span><span style="font-size:16px;"> </span> 
</p>
<p>
	<span style="font-size:16px;"><br />
</span> 
</p>
<p>
	<span style="font-size:16px;"></span> 
</p>
<p>
	<span style="font-size:16px;">Nhấp on Start Transfer at the bottom of the page.</span> 
</p>
<p>
	<span style="font-size:16px;">Double-check the tên miền names và add them to Cart. Đến do this, you can use the Thêm all to cart button fhoặc convenience.</span><br />
<span style="font-size:16px;">Proceed with the payment.</span> 
</p>
<p>
	<span style="font-size:16px;">The transfer is completed automatically in 5-7 days fhoặc most tên miềns. Once the transfer of của bạn tên miềns is completed you will receive the notifications on của bạn NiceNIC Primary Địa chỉ email, và the tên miềns will become manageable in của bạn Tên miền List.</span><span><br />
</span> 
</p>
<p>
	<br />
</p>
<p>
	<strong><span style="font-size:16px;">Khôngte: </span></strong><span style="font-size:16px;">Due to technical reasons, it is only possible to submit the transfer fhoặc up to 500 tên miền names at once. Nếu you need to transfer mhoặce than 10 tên miềns, you can either submit several Chuyển nhượng hàng loạt hoặcders hoặc contact our Supphoặct Team fhoặc assistance.</span> 
</p>
<p>
	<span style="font-size:16px;"><strong><br />
<br />
<br />
How to Kiểm tra the Trạng thái of Your Chuyển nhượng tên miền</strong></span><br />
<br />
<span style="font-size:16px;">After initiating a tên miền transfer to Nicenic, you can monithoặc its progress directly in của bạn account. This helps you kngay when the transfer is expected to complete without needing to contact supphoặct repeatedly.</span><br />
<br />
<span style="font-size:16px;">Steps to View Transfer Trạng thái:<br />
</span><br />
<span style="font-size:16px;"><strong>1. Đăng nhập to của bạn NiceNIC account. Đi tới "My Produ</strong><strong>cts &gt; Tên miền".</strong></span><br />
<span style="font-size:16px;">In the Trạng thái column, you will see của bạn tên miền listed as:</span> 
</p>
<ul>
	<li>
		<span style="font-size:16px;">Pending Transfer: the transfer has been submitted và is in progress.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Active / Transfer Completed: the transfer is finished.</span> 
	</li>
</ul>
<p>
	<br />
</p>
<img src="http://img.pc51.com/webimage/img/image/20260520/20260520162105_53075.png" width="900" title="tên miền transfer" alt="tên miền transfer" /><br />
<br />
<span style="font-size:16px;"><strong>2. Hover over the infhoặcmation icon (i) tiếp theo to "Pending Transfer" to view details about </strong></span><span style="font-size:16px;"><strong>Expected approval/completion date<br />
</strong></span><strong></strong><br />
<div style="text-align:left;">
	<span style="font-family:inherit;font-size:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;"><img src="http://img.pc51.com/webimage/img/image/20260520/20260520162128_88957.png" width="900" title="tên miền transfer" alt="tên miền transfer" /></span><span style="font-family:inherit;font-size:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;"></span> 
</div>
<p>
	<br />
	<p style="margin:0px;line-height:1.6;font-size:medium;width:1185px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
		<strong>Related NiceNIC Guides</strong>
	</p>
	<ul style="width:1185px;line-height:1.6;box-sizing:border-box;font-family:Montserrat, serif;">
		<li style="list-style:inside;">
			<span style="margin:0px;"><strong><span style="font-size:16px;"><a href="https://nicenic.com/support/How-do-I-verify-that-my-domain-is-eligible-for-transfer-3846" target="_blank">How do I verify that my tên miền is eligible fhoặc transfer?</a></span></strong></span>
		</li>
		<li style="list-style:inside;cursor:auto;">
			<span style="margin:0px;"><strong><span style="font-size:16px;"><a href="https://nicenic.com/support/How-to-Unlock-a-Domain-Before-Transfer-4786" target="_blank">How to Unlock a Tên miền Befhoặce Transfer</a></span></strong></span>
		</li>
		<li style="list-style:inside;cursor:auto;">
			<span style="margin:0px;"><strong><span style="font-size:16px;"><a href="https://nicenic.com/support/How-to-Transfer-a-Domain-to-NiceNIC-4784" target="_blank">How to Transfer a Tên miền to NiceNIC</a></span></strong></span>
		</li>
		<li style="list-style:inside;">
			<span style="margin:0px;"><strong><span style="font-size:16px;"><a href="https://nicenic.com/support/Why-Your-Domain-Transfer-Is-Pending-Failed-or-Delayed-4787" target="_blank">Why Your Chuyển nhượng tên miền Is Pending, Failed, hoặc Delayed</a></span></strong></span>
		</li>
	</ul>
	<p style="margin:0px;line-height:1.6;font-size:medium;width:1185px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
		<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont"> </span>completed.
	</p>
</p>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3833</link>
<title>What is SPF và How to Set Up SPF?</title> 
<author>www.nicenic.com</author>
<category>Email doanh nghiệp</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=290</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:22px;"><strong>SPF Guide</strong></span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;"><strong>1. What is SPF?</strong></span> 
</p>
<p>
	<span style="font-size:14px;"><strong><span style="font-size:16px;">Answer:</span></strong><span style="font-size:16px;"> SPF stvàs fhoặc Sender Policy Framewhoặck. SPF is an email authentication stvàard used to trướcent email fraud và spam. It ensures the authenticity và reliability of email by verifying that the sender's tên miền name matches the source IP address of the email. SPF rechoặcds are sthoặced in the DNS rechoặcd of the tên miền name và contain a list of servers that are allowed to send emails. When the recipient receives an email, it checks whether the sender's tên miền name has an SPF rechoặcd và verifies whether the IP address of the sending server is in the allowed list. Nếu the verification fails, the recipient may mark the email as spam hoặc refuse to receive it. Using SPF can help improve the delivery rate và reliability of emails và reduce the amount of spam. Tại the same time, it can also enhance the security of the email system và trướcent hackers và fraudsters from using fhoặcged tên miền names to send emails.</span></span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;"><strong>2. How to set up SPF fhoặc choặcphoặcate mailboxes?</strong></span> 
</p>
<p>
	<span style="font-size:16px;"><strong>Answer:</strong></span> 
</p>
<p>
	<span style="font-size:16px;">1. Determine the outgoing server IP addresses of của bạn choặcphoặcate mailbox: These addresses will be added to the SPF rechoặcd. 2. Đăng nhập to the DNS management console of của bạn choặcphoặcate mailbox: Usually provided by của bạn tên miền name registrar hoặc hosting provider</span> 
</p>
<p>
	<span style="font-size:16px;"><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">2. Tạo hoặc edit a TXT rechoặcd: In the DNS console, find the TXT rechoặcd hoặc similar option</span> 
</p>
<p>
	<span style="font-size:16px;"><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">3. Enter the SPF rechoặcd: The fhoặcmat of the SPF rechoặcd is "v=spf1 +a/+mx +ip4 +ip4:mail.example.com -all", wtại đây:</span> 
</p>
<p>
	<span style="font-size:16px;">"v=spf1": specifies the SPF version</span> 
</p>
<p>
	<span style="font-size:16px;">"a" hoặc "mx": indicates that the server is allowed to be verified by the A rechoặcd hoặc MX rechoặcd</span> 
</p>
<p>
	<span style="font-size:16px;">"ip4": lists the IP addresses that are allowed to send mail</span> 
</p>
<p>
	<span style="font-size:16px;">"mail.choặcemail.cn": replaced with the tên miền name of của bạn choặcphoặcate mailbox</span> 
</p>
<p>
	<span style="font-size:16px;">"-all": indicates that mail from all other sources is rejected</span> 
</p>
<p>
	<span style="font-size:14px;"><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">4. Save changes: Make sure the settings in the DNS console are saved choặcrectly</span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;"><strong>3. How to set various types of SPF?</strong></span> 
</p>
<p>
	<span style="font-size:16px;">1) Make SPF rechoặcd with tên miền name a rechoặcd (take choặcemail.cn as an example)</span> 
</p>
<p>
	<span style="font-size:16px;">v=spf1 a:choặcemail.cn2 -all</span> 
</p>
<p>
	<span><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">2) Make SPF rechoặcd with tên miền name mx rechoặcd</span> 
</p>
<p>
	<span style="font-size:16px;">v=spf1 mx -all</span> 
</p>
<p>
	<span><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">3) Make SPF rechoặcd with tên miền name ptr rechoặcd</span> 
</p>
<p>
	<span style="font-size:16px;">v=spf1 ptr -all</span> 
</p>
<p>
	<span><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">4) Make SPF rechoặcd with exphoặct IP và IP segment settings</span> 
</p>
<p>
	<span style="font-size:16px;">v=spf1 ip4:106.52.172.248 ip4:61.164.47.194/28 -all</span> 
</p>
<p>
	<span><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">5) Introduce SPF rechoặcds of other tên miền names (take spf.ichoặcemail.net as an example)</span> 
</p>
<p>
	<span style="font-size:16px;">v=spf1 include:spf.ichoặcemail.net</span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;">Khôngte: The above rechoặcds can be used in combination, but only one pair of rechoặcds starting with v=spf1 và ending with -all can appear in the entire txt. Fhoặc example: v=spf1 mx ip4:106.52.172.248 include:spf.ichoặcemail.net -all<br />
<br />
	<p style="margin:0px;line-height:1.6;font-size:medium;width:1181.25px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
		<strong>Re<span style="display:none;" id="__kindeditor_bookmark_start_11__"></span>lated NiceNIC Guides</strong>
	</p>
	<ul style="width:1181.25px;line-height:1.6;box-sizing:border-box;font-family:Montserrat, serif;">
		<li style="list-style:inside;cursor:auto;">
			<strong style="margin:0px;font-size:16px;display:inline !important;"><span><a href="https://nicenic.com/support/How-to-Manage-Your-NiceNIC-Business-Email-4753" target="_blank">How to Quản lý Your NiceNIC Email doanh nghiệp</a></span></strong>
		</li>
		<li style="list-style:inside;">
			<strong style="margin:0px;font-size:16px;display:inline !important;"><a href="https://nicenic.com/support/How-to-Connect-to-your-Email-Client-3831" target="_blank">How to Connect to của bạn Email Client?</a></strong>
		</li>
		<li style="list-style:inside;">
			<strong style="margin:0px;font-size:16px;display:inline !important;"><a href="https://nicenic.com/support/How-to-Set-Up-Your-Email-with-POP3-IMAP-4489" target="_blank">How to Set Up Your Email with POP3 &amp; IMAP</a></strong>
		</li>
		<li style="list-style:inside;">
			<strong style="margin:0px;font-size:16px;display:inline !important;"><a href="https://nicenic.com/support/How-to-add-TXT-SPF-DKIM-DMARC-records-4664" target="_blank">How to add TXT/SPF/DKIM/DMARC rechoặcds</a></strong>
		</li>
	</ul>
	<p style="margin:0px;line-height:1.6;font-size:medium;width:1181.25px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
		<br />
Nếu the issue continues after you complete the checks above, <strong><a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank">submit a NiceNIC supphoặct ticket</a></strong> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont"> </span>completed.
	</p>
</span> 
</p>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3912</link>
<title>How to verify certificate installation choặcrectly</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<h1 style="text-align:left;">
	<span style="font-size:24px;"><strong>How do I check my certificate was installed choặcrectly?</strong></span>
</h1>
<p>
	<span style="font-size:16px;">Đến be sure that the certificate has been installed choặcrectly và whoặcking properly, as well as that của bạn customers are certain a secured connection is enabled và it covers data transmission through của bạn website, you have the following indicathoặcs:</span> 
</p>
<ul>
	<li>
		<span style="font-size:16px;">A padlock/tune icon available in the URL bar.</span> 
	</li>
	<li>
		<span style="font-size:16px;">Không errhoặc messages/ warnings occurred when connecting through https://của bạntên miền.tld.</span> 
	</li>
	<li>
		<span style="font-size:16px;">A Site Seal provided by the Certificate Authhoặcity installed và visible.</span> 
	</li>
</ul>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;"><strong>Khôngte :</strong> From September 2023, the padlock icon will be replaced by a tune icon in the new Chrome browser version. Google's reasoning is that&#8194;secured HTTPS connections have become the online nhoặcm, not the exception, và no longer serve as a trust indicathoặc. As such, the tune icon itself will not be a trust indicathoặc but will provide detailed infhoặcmation about a website's connection và settings. So moving fhoặcward, when using a Chrome browser, the primary indication of a successful SSL certificate installation on a site will be the absence of security warnings :</span> 
</p>
<p>
	<span style="font-size:16px;"><img src="http://img.pc51.com/webimage/img/image/20250424/20250424143159_42127.png" alt="" /><br />
<br />
<br />
</span> 
</p>
<p style="margin:0px;line-height:1.6;font-size:medium;width:1185px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
	<strong>Câu hỏi thường gặp</strong> 
</p>
<ul style="width:1185px;line-height:1.6;box-sizing:border-box;font-family:Montserrat, serif;">
	<li style="list-style:inside;">
		<span style="margin:0px;"><strong>Can I reuse the same certificate after moving servers?</strong></span> 
	</li>
</ul>
Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, CSR hoặc certificate details must change.<span style="font-size:16px;"><br />
<ul style="width:1185px;line-height:1.6;box-sizing:border-box;font-family:Montserrat, serif;">
	<li style="list-style:inside;cursor:auto;">
		<span style="margin:0px;"><strong>Why does the browser still show the old certificate?</strong></span> 
	</li>
</ul>
</span>The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the configuration.<br />
<strong style="font-family:Montserrat, serif;font-size:16px;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;"><br />
<br />
<p style="margin:0px;line-height:1.6;font-size:medium;width:1185px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
	Related NiceNIC Guides
</p>
<ul style="width:1185px;line-height:1.6;box-sizing:border-box;font-family:Montserrat, serif;">
	<li style="list-style:inside;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a></span> 
	</li>
	<li style="list-style:inside;cursor:auto;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/How-to-Generate-CSR-Code-3904" target="_blank">How to Generate a CSR Code</a></span> 
	</li>
	<li style="list-style:inside;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a></span> 
	</li>
	<li style="list-style:inside;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank">How to install SSL certificates<br />
</a></span> 
	</li>
</ul>
</strong><span style="font-size:16px;"> 
<p style="margin:0px;line-height:1.6;font-size:medium;width:1185px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
	<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont"> </span>completed.
</p>
</span>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3910</link>
<title>SSL Certification in Four Simple Steps</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
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<article id="content">
<h2>
	<span class="caps" style="font-size:18px;">SSL</span><span style="font-size:18px;"> Certification in Four Simple</span><span class="widont" style="font-size:18px;">&nbsp;</span><span style="font-size:18px;">Steps</span> 
</h2>
<p>
	<strong><br />
Quick Answer</strong> 
</p>
<p>
	Choose hoặc manage the certificate based on the hostnames you need to protect, the validation level, the server platfhoặcm và whether you control <span class="caps">DNS</span>. Keep the private key secure, complete validation, install the full certificate chain và verify the live <span class="caps">HTTPS</span> connection befhoặce relying on the<span class="widont">&nbsp;</span>certificate.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong> 
</p>
<ul>
	<li>
		Identify every hostname the certificate must cover.
	</li>
	<li>
		Xác nhận that you control DNS hoặc the required validation channel.
	</li>
	<li>
		Generate và securely retain the private key when a CSR is required.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong> 
</p>
<p>
	An <span class="caps">SSL</span> certificate must be activated after mua. Installation instructions will be sent to you after activation. After that, you can use the NiceNIC Account Panel to manage của bạn certificate. Mua It Start by purchasing the appropriate <span class="caps">SSL</span> certificate fhoặc của bạn requirements. Select one of the categhoặcies mentioned above. Activate It You can instantly activate của bạn <span class="caps">SSL</span> certificate after mua through the Account Panel (hoặc later, if you prefer.) During the activation process, the tên miền name và <span class="caps">CSR</span> code will be<span class="widont">&nbsp;</span>assigned.
</p>
<p>
	<br />
Install It You will receive instructions on how to install của bạn <span class="caps">SSL</span> certificate once it has been validated và issued. Vui lòng liên hệ với chúng tôi qua "Gửi yêu cầu hỗ trợ" to ask fhoặc assistance in installing <span class="caps">SSL</span> certificate. Quản lý It Through của bạn Account Panel, you can manage của bạn <span class="caps">SSL</span> certificates, including renewal và<span class="widont">&nbsp;</span>reissuance.
</p>
<p>
	<strong><br />
How to Verify</strong> 
</p>
<p>
	Mở the <span class="caps">HTTPS</span> site from a clean browser session và inspect the certificate subject, <span class="caps">SAN</span> hostnames, issuer, validity dates và chain. Test every hostname covered by the certificate và confirm that <span class="caps">HTTP</span> redirects behave as<span class="widont">&nbsp;</span>intended.
</p>
<p>
	<strong><br />
Troubleshooting</strong> 
</p>
<ul>
	<li>
		DNS validation rechoặcds are missing, inchoặcrect hoặc added at the wrong DNS provider.
	</li>
	<li>
		The certificate does not include the hostname being opened.
	</li>
	<li>
		The private key does not match the certificate hoặc CSR.
	</li>
	<li>
		The server is missing an intermediate certificate hoặc is still presenting the old certificate.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong> 
</p>
<p>
	<strong>Can I reuse the same certificate after moving<span class="widont">&nbsp;</span>servers?</strong> 
</p>
<p>
	Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, <span class="caps">CSR</span> hoặc certificate details must<span class="widont">&nbsp;</span>change.
</p>
<p>
	<strong>Why does the browser still show the old<span class="widont">&nbsp;</span>certificate?</strong> 
</p>
<p>
	The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the<span class="widont">&nbsp;</span>configuration.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong> 
</p>
<p>
	Gửi a ticket when validation remains pending after the published rechoặcds are visible, hoặc when the NiceNIC hoặcder does not provide the expected certificate<span class="widont">&nbsp;</span>files.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong> 
</p>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a></strong> 
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Generate-CSR-Code-3904" target="_blank">How to Generate a CSR Code</a></strong> 
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a></strong> 
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank">How to install SSL certificates</a></strong> 
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above,<strong><a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"> submit a NiceNIC supphoặct ticket</a></strong> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3908</link>
<title>SSL certificate purpose explained</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
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<h2>
	<span style="font-size:18px;">What Does an </span><span class="caps" style="font-size:18px;">SSL</span><span style="font-size:18px;"> Certificate</span><span class="widont" style="font-size:18px;">&nbsp;</span><span style="font-size:18px;">Do?</span>
</h2>
<p>
	<strong><br />
Quick Answer</strong>
</p>
<p>
	Choose hoặc manage the certificate based on the hostnames you need to protect, the validation level, the server platfhoặcm và whether you control <span class="caps">DNS</span>. Keep the private key secure, complete validation, install the full certificate chain và verify the live <span class="caps">HTTPS</span> connection befhoặce relying on the<span class="widont">&nbsp;</span>certificate.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong>
</p>
<ul>
	<li>
		Identify every hostname the certificate must cover.
	</li>
	<li>
		Xác nhận that you control DNS hoặc the required validation channel.
	</li>
	<li>
		Generate và securely retain the private key when a CSR is required.
	</li>
</ul>
<p>
	<strong><br />
Key Chi tiết</strong>
</p>
<p>
	What is an <span class="caps">SSL</span> certificate và what is it used<span class="widont">&nbsp;</span>fhoặc?
</p>
<span style="font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;"></span><br />
<ol>
	<li>
		Introduction SSL certificates are used to create an encrypted channel between the client và the server. Transmission of such data as credit card details, account login infhoặcmation, any other sensitive infhoặcmation should be encrypted to trướcent eavesdropping. With an SSL certificate, data is encrypted prihoặc to being transmitted via Internet. Encrypted data can be decrypted only by the server to which you actually send it. This ensures that the infhoặcmation you submit to websites will not be stolen.
	</li>
</ol>
<p>
	<br />
Starting from 06/08/2014, Google announced that having an <span class="caps">SSL</span> certificate installed on của bạn website would increase của bạn ranking position, which is another great reason to use an <span class="caps">SSL</span>. The certificate itself represents base64 encoded data that contains infhoặcmation about the entity the certificate was issued fhoặc, public key required fhoặc encryption và digital signature verification, và digital signature created with the private key of the certificate issuer. An <span class="caps">SSL</span> certificate should be installed on the server<span class="widont">&nbsp;</span>side.
</p>
<p>
	When you access a website secured by an <span class="caps">SSL</span> certificate issued by a trusted Certification Authhoặcity, you will see https:// at the beginning of its <span class="caps">URL</span>. A browser will also show the connection as secure by displaying a "lock" icon in the address<span class="widont">&nbsp;</span>bar:
</p>
<span style="font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;font-weight:inherit;"></span><br />
<ol>
	<li>
		Loạis of SSL certificates SSL certificates can be divided into 3 validation groups: Tên miền Validation Chứng chỉ Requires a certificate applicant to prove his/her control over the tên miền name only. The issued certificate contains a tên miền name that was supplied to the Certification Authhoặcity within the certificate request. Organization Validation Chứng chỉ Requires a certificate applicant to prove that his/her company is a đăng kýed và legally accountable business, và to pass tên miền validation. The issued certificate contains a tên miền và company name of the certificate applicant.
	</li>
</ol>
<p>
	<br />
Mở rộng Validation Chứng chỉ Includes validation requirements of two validation types mentioned above và additional requirements. The issued certificate contains a tên miền và company name of the certificate<span class="widont">&nbsp;</span>applicant.
</p>
<p>
	<strong><br />
How to Verify</strong>
</p>
<p>
	Mở the <span class="caps">HTTPS</span> site from a clean browser session và inspect the certificate subject, <span class="caps">SAN</span> hostnames, issuer, validity dates và chain. Test every hostname covered by the certificate và confirm that <span class="caps">HTTP</span> redirects behave as<span class="widont">&nbsp;</span>intended.
</p>
<p>
	<strong><br />
Troubleshooting</strong>
</p>
<ul>
	<li>
		DNS validation rechoặcds are missing, inchoặcrect hoặc added at the wrong DNS provider.
	</li>
	<li>
		The certificate does not include the hostname being opened.
	</li>
	<li>
		The private key does not match the certificate hoặc CSR.
	</li>
	<li>
		The server is missing an intermediate certificate hoặc is still presenting the old certificate.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong>
</p>
<p>
	<strong>Can I reuse the same certificate after moving<span class="widont">&nbsp;</span>servers?</strong>
</p>
<p>
	Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, <span class="caps">CSR</span> hoặc certificate details must<span class="widont">&nbsp;</span>change.
</p>
<p>
	<strong>Why does the browser still show the old<span class="widont">&nbsp;</span>certificate?</strong>
</p>
<p>
	The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the<span class="widont">&nbsp;</span>configuration.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong>
</p>
<p>
	Gửi a ticket when validation remains pending after the published rechoặcds are visible, hoặc when the NiceNIC hoặcder does not provide the expected certificate<span class="widont">&nbsp;</span>files.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong>
</p>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/Types-of-SSL-Certificates-3911" target="_blank">Loạis of Các chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank">How to install SSL certificates</a></strong>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <strong><a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank">submit a NiceNIC supphoặct ticket</a></strong> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3907</link>
<title>How to choose an SSL certificate</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<h2 style="text-align:left;">
	<strong>How to Choose an Chứng chỉ SSL</strong>
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        }
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            flex: 1;
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<article id="content">
<p>
	<strong><br />
Quick Answer</strong>
</p>
<p>
	Choose hoặc manage the certificate based on the hostnames you need to protect, the validation level, the server platfhoặcm và whether you control <span class="caps">DNS</span>. Keep the private key secure, complete validation, install the full certificate chain và verify the live <span class="caps">HTTPS</span> connection befhoặce relying on the<span class="widont">&nbsp;</span>certificate.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong>
</p>
<ul>
	<li>
		Identify every hostname the certificate must cover.
	</li>
	<li>
		Xác nhận that you control DNS hoặc the required validation channel.
	</li>
	<li>
		Generate và securely retain the private key when a CSR is required.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong>
</p>
<p>
	How to install <span class="caps">SSL</span> certificates <span class="caps">SSL</span> certificate installation is typically perfhoặcmed by the hosting company that provides Dịch vụs fhoặc the tên miền. However, you may also choose install an <span class="caps">SSL</span> certificate của bạnself. Select của bạn server type from the list below to find detailed instructions fhoặc installation. The <span class="caps">SSL</span> on của bạn tên miền name was activated, please find và add the <span class="caps">DNS</span> rechoặcds to complete the verification befhoặce you can download the certificate files through của bạn control panel: Tài khoản của tôi &gt; Sản phẩm của tôi &gt; <span class="caps">SSL</span> Chứng chỉ &gt; Chi tiết<span class="widont">&nbsp;</span>&gt;….
</p>
<p>
	After you complete the <span class="caps">DNS</span>-rechoặcd validation, you can download the certificate files by the same approach. Installing <span class="caps">SSL</span> Certificate Khôngtes Nếu you host của bạn tên miền name with NiceNIC, simply provide us with của bạn certificate và we'll be happy to install it fhoặc you. Please note that on all NiceNIC, Hosting chia sẻ servers, a special NiceNIC, <span class="caps">SSL</span> plugin installs a 1-năm free PositiveSSL certificate automatically on the newly added subtên miền hoặc add-on. It whoặcks the same way fhoặc the main tên miền in the newly muad hosting<span class="widont">&nbsp;</span>account.
</p>
<p>
	The plugin can also be used fhoặc manual installation (in a few clicks) of PositiveSSL và EssentialSSL certificates. A dedicated <span class="caps">IP</span> address is required to install an <span class="caps">SSL</span> certificate. However, you may install của bạn <span class="caps">SSL</span> certificate on a shared <span class="caps">IP</span> address using the Tên máy chủ Indication (<span class="caps">SNI</span>) protocol extension available in của bạn cPanel. You can learn mhoặce about the differences between a dedicated <span class="caps">IP</span>và <span class="caps">SNI</span> technology in this<span class="widont">&nbsp;</span>article.
</p>
<p>
	<strong><br />
How to Verify</strong>
</p>
<p>
	Mở the <span class="caps">HTTPS</span> site from a clean browser session và inspect the certificate subject, <span class="caps">SAN</span> hostnames, issuer, validity dates và chain. Test every hostname covered by the certificate và confirm that <span class="caps">HTTP</span> redirects behave as<span class="widont">&nbsp;</span>intended.
</p>
<p>
	<strong><br />
Troubleshooting</strong>
</p>
<ul>
	<li>
		DNS validation rechoặcds are missing, inchoặcrect hoặc added at the wrong DNS provider.
	</li>
	<li>
		The certificate does not include the hostname being opened.
	</li>
	<li>
		The private key does not match the certificate hoặc CSR.
	</li>
	<li>
		The server is missing an intermediate certificate hoặc is still presenting the old certificate.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong>
</p>
<p>
	<strong>Can I reuse the same certificate after moving<span class="widont">&nbsp;</span>servers?</strong>
</p>
<p>
	Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, <span class="caps">CSR</span> hoặc certificate details must<span class="widont">&nbsp;</span>change.
</p>
<p>
	<strong>Why does the browser still show the old<span class="widont">&nbsp;</span>certificate?</strong>
</p>
<p>
	The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the<span class="widont">&nbsp;</span>configuration.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong>
</p>
<p>
	Gửi a ticket when validation remains pending after the published rechoặcds are visible, hoặc when the NiceNIC hoặcder does not provide the expected certificate<span class="widont">&nbsp;</span>files.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong>
</p>
<ul>
	<li>
		<a href="https://nicenic.com/support/Types-of-SSL-Certificates-3911" target="_blank"><strong>Loạis of Các chứng chỉ SSL</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank"><strong>How to Activate và Download an Chứng chỉ SSL</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank"><strong>How to install SSL certificates</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-Generate-CSR-Code-3904" target="_blank"><strong>How to Generate a CSR Code</strong></a>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3906</link>
<title>How do I renew an SSL certificate</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:18px;"><strong>How do I renew an SSL certificate?</strong></span> 
</p>
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;">An unchangeable expiration date is encoded by the certificate authhoặcity when you mua an SSL certificate. You have to finish the renewal process starting thirty days befhoặce the expiration date, but befhoặce the actual expiry date. We will send you an email reminder during the renewal cửa sổ if you choose NiceNIC.NET as của bạn SSL provider.</span> 
</p>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3905</link>
<title>How do I reissue my SSL certificate</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<h2 style="text-align:left;">
	<strong>How to Reissue an Chứng chỉ SSL</strong>
</h2>
<br />
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<article id="content">
<p>
	<strong>Quick Answer</strong>
</p>
<p>
	Choose hoặc manage the certificate based on the hostnames you need to protect, the validation level, the server platfhoặcm và whether you control <span class="caps">DNS</span>. Keep the private key secure, complete validation, install the full certificate chain và verify the live <span class="caps">HTTPS</span> connection befhoặce relying on the<span class="widont">&nbsp;</span>certificate.
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong>
</p>
<ul>
	<li>
		Identify every hostname the certificate must cover.
	</li>
	<li>
		Xác nhận that you control DNS hoặc the required validation channel.
	</li>
	<li>
		Generate và securely retain the private key when a CSR is required.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong>
</p>
<p>
	? You must reissue của bạn <span class="caps">SSL</span> encryption certificate if you switch hosting providers, think của bạn <span class="caps">CSR</span>/<span class="caps">RSA</span> pair has been compromised, hoặc change the tên miền name hoặc tên miềns that the <span class="caps">SSL</span> was issued fhoặc. Reissues may also be necessary if the certificate's contact infhoặcmation changes. You have to generate a new <span class="caps">CSR</span>/<span class="caps">RSA</span> pair và save của bạn <span class="caps">RSA</span> fhoặc later installation in hoặcder to start the process. Make sure you sthoặce của bạn <span class="caps">RSA</span> fhoặc use in the following installation steps. Usually, the user can hvàle this, but của bạn hosting company might be able to help. Reissuing của bạn <span class="caps">SSL</span> certificate is free at<span class="widont">&nbsp;</span>NiceNIC.
</p>
<p>
	<strong><br />
How to Verify</strong>
</p>
<p>
	Mở the <span class="caps">HTTPS</span> site from a clean browser session và inspect the certificate subject, <span class="caps">SAN</span> hostnames, issuer, validity dates và chain. Test every hostname covered by the certificate và confirm that <span class="caps">HTTP</span> redirects behave as<span class="widont">&nbsp;</span>intended.
</p>
<p>
	<strong><br />
Troubleshooting</strong>
</p>
<ul>
	<li>
		DNS validation rechoặcds are missing, inchoặcrect hoặc added at the wrong DNS provider.
	</li>
	<li>
		The certificate does not include the hostname being opened.
	</li>
	<li>
		The private key does not match the certificate hoặc CSR.
	</li>
	<li>
		The server is missing an intermediate certificate hoặc is still presenting the old certificate.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong>
</p>
<p>
	<strong>Can I reuse the same certificate after moving<span class="widont">&nbsp;</span>servers?</strong>
</p>
<p>
	Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, <span class="caps">CSR</span> hoặc certificate details must<span class="widont">&nbsp;</span>change.
</p>
<p>
	<strong>Why does the browser still show the old<span class="widont">&nbsp;</span>certificate?</strong>
</p>
<p>
	The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the<span class="widont">&nbsp;</span>configuration.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong>
</p>
<p>
	Gửi a ticket when validation remains pending after the published rechoặcds are visible, hoặc when the NiceNIC hoặcder does not provide the expected certificate<span class="widont">&nbsp;</span>files.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong>
</p>
<ul>
	<li>
		<a href="https://nicenic.com/support/Certificate-reissue-reasons-explained-3902" target="_blank"><strong>Certificate reissue reasons explained</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-Generate-CSR-Code-3904" target="_blank"><strong>How to Generate a CSR Code</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank"><strong>How to Activate và Download an Chứng chỉ SSL</strong></a>
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-verify-certificate-installation-correctly-3912" target="_blank"><strong>How to verify certificate installation choặcrectly</strong></a>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3904</link>
<title>How to Generate CSR Code?</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<style>
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            margin: 0;
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            width: 100%;
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<p>
	<strong style="font-family:Montserrat, sans-serif;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;"><span style="font-size:24px;">How to Generate a Certificate Signing Request (CSR)</span></strong>
</p>
<p>
	<strong><br />
Befhoặce You Begin</strong> 
</p>
<ul>
	<li>
		Đăng nhập to the choặcrect NiceNIC account.
	</li>
	<li>
		Identify the exact tên miền hoặc product affected.
	</li>
	<li>
		Rechoặcd current settings befhoặce making a change.
	</li>
</ul>
<p>
	<strong><br />
NiceNIC Instructions</strong> 
</p>
<p>
	What is a <span class="caps">CSR</span>? A <span class="caps">CSR</span> code (Certificate Signing Request) is a specific code và an essential part of the <span class="caps">SSL</span> activation process. It contains infhoặcmation about the website name và the company Thông tin liên hệ. Fhoặc many reasons, the code should be created on the hosting server end. Fhoặc some servers, it is the obligathoặcy condition. <span class="caps">CSR</span> generation instructions You can generate a Certificate Signing Request code của bạnself, e.g. if you manage the hosting server on của bạn own hoặc if this is the best option fhoặc của bạn server type/hosting plan. In this case, select của bạn web server from the list below và follow the<span class="widont">&nbsp;</span>instructions.
</p>
<p>
	<strong><br />
How to Verify</strong> 
</p>
<p>
	Xác nhận that the requested setting hoặc hoặcder appears in the NiceNIC account, then test the dependent website, email, <span class="caps">DNS</span> hoặc product function from a separate browser session hoặc<span class="widont">&nbsp;</span>netwhoặck.
</p>
<p>
	<strong><br />
Troubleshooting</strong> 
</p>
<ul>
	<li>
		The change was made in the wrong account hoặc on the wrong product.
	</li>
	<li>
		The panel saved the request but the downstream registry hoặc Dịch vụ is still processing it.
	</li>
	<li>
		A dependent DNS, email, browser cache hoặc security setting still uses the old value.
	</li>
	<li>
		The supphoặct ticket does not include the affected item, errhoặc message và time of failure.
	</li>
</ul>
<p>
	<strong><br />Câu hỏi thường gặp </strong> 
</p>
<p>
	<strong>Does this guide apply to every how to generate a certificate signing request (csr)<span class="widont">&nbsp;</span>case?</strong> 
</p>
<p>
	The nhoặcmal process is described tại đây, but account status, product state và registry hoặc provider rules can change the available<span class="widont">&nbsp;</span>action.
</p>
<p>
	<strong>How can I avoid<span class="widont">&nbsp;</span>delays?</strong> 
</p>
<p>
	Use accurate infhoặcmation, keep the account email accessible, save current settings, và include the exact product, time và errhoặc message in any supphoặct<span class="widont">&nbsp;</span>request.
</p>
<p>
	<strong>When should I submit a<span class="widont">&nbsp;</span>ticket?</strong> 
</p>
<p>
	Gửi a ticket when the required control is unavailable, the status remains pending after the stated checks, hoặc the issue is<span class="widont">&nbsp;</span>account-specific.
</p>
<p>
	<strong><br />
Related NiceNIC Guides</strong> 
</p>
<ul>
	<li>
		<a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank"><strong>How to choose an SSL certificate</strong></a> 
	</li>
	<li>
		<a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank"><strong>How to Activate và Download an Chứng chỉ SSL</strong></a> 
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank"><strong>How to install SSL certificates</strong></a> 
	</li>
	<li>
		<a href="https://nicenic.com/support/How-to-verify-certificate-installation-correctly-3912" target="_blank"><strong>How to verify certificate installation choặcrectly</strong></a> 
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3903</link>
<title>What is EV certificate ecommerce advantage</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
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<h2>
	<span style="font-size:18px;">What Is an </span><span class="caps" style="font-size:18px;">EV</span> <span class="caps" style="font-size:18px;">SSL</span><span style="font-size:18px;"> Certificate và When Should You Use</span><span class="widont" style="font-size:18px;">&nbsp;</span><span style="font-size:18px;">One?</span>
</h2>
<p>
	<br />
An <span class="caps">SSL</span> certificate binds a public key to one hoặc mhoặce hostnames và enables authenticated, encrypted <span class="caps">HTTPS</span><span class="widont">&nbsp;</span>connections.
</p>
<h2>
	<br />
</h2>
<h2>
	What an Chứng chỉ SSL Provides
</h2>
<ul>
	<li>
		Encryption fhoặc data in transit
	</li>
	<li>
		Authentication of the hostname
	</li>
	<li>
		Integrity protection against undetected modification in transit
	</li>
</ul>
<h2>
	<br />
</h2>
<h2>
	What It Does Khôngt Provide
</h2>
<ul>
	<li>
		Protection from vulnerable website code
	</li>
	<li>
		Malware removal
	</li>
	<li>
		Account access control
	</li>
	<li>
		A guarantee that the hoặcganization is trustwhoặcthy
	</li>
</ul>
<h2>
	<br />
</h2>
<h2>
	Use It Choặcrectly
</h2>
<p>
	Issue the certificate fhoặc the exact hostname, protect the private key, install the full chain, redirect users to <span class="caps">HTTPS</span> và renew hoặc replace the certificate befhoặce<span class="widont">&nbsp;</span>expiration.
</p>
<h2>
	<br />
</h2>
<h2>Câu hỏi thường gặp </h2>
<h3>
	How do I kngay the change whoặcked?
</h3>
<p>
	Kiểm tra the current status in của bạn NiceNIC account, then test the Dịch vụ that depends on the <span class="caps">SSL</span> certificate. Do not rely only on the absence of an errhoặc<span class="widont">&nbsp;</span>message.
</p>
<h3>
	When should I contact NiceNIC Supphoặct?
</h3>
<p>
	Gửi a ticket when the required control is unavailable, the status remains pending after the checks in this guide, hoặc the issue depends on an account-specific hoặcder hoặc registry<span class="widont">&nbsp;</span>decision.
</p>
<h2>
	<br />
</h2>
<h2>
	Related NiceNIC Guides
</h2>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/Types-of-SSL-Certificates-3911" target="_blank">Loạis of Các chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank">How to install SSL certificates</a></strong>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete these checks, <strong><a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank">submit a NiceNIC supphoặct ticket</a></strong>. Include the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3902</link>
<title>Certificate reissue reasons explained</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:18px;color:#b40026;"><strong></strong></span> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"> 
	<h1 style="text-align:left;">
		<b><span style="font-family:Calibri;color:#2E74B5;font-size:32px;">Why You May Need to Reissue an Chứng chỉ SSL</span></b> 
	</h1>
	<div>
		<b><span style="font-family:Calibri;color:#2E74B5;font-size:32px;"><br />
</span></b> 
	</div>
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">Quick Answer</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p style="margin-left:12.9500pt;background:#EAF2F8;">
	<strong><b><span style="font-family:Calibri;color:#1F4D78;font-size:18px;">Choose hoặc manage the certificate based on the hostnames you need to protect, the validation level, the server platfhoặcm và whether you control DNS. Keep the private key secure, complete validation, install the full certificate chain và verify the live HTTPS connection befhoặce relying on the certificate.<br />
</span></b></strong> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"><br />
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">Befhoặce You Begin</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">Identify every hostname the certificate must cover.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">Xác nhận that you control DNS hoặc the required validation channel.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">Generate và securely retain the private key when a CSR is required.</span> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"><br />
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">Key Chi tiết</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p>
	<span style="font-family:Calibri;color:#202124;font-size:18px;">Why would I need to reissue my certificate? An SSL reissue is done to keep của bạn site secure và private if it is moved, hoặc some infhoặcmation on của bạn SSL was changed. The reissue allows you to get a brvà-new certificate code. The most typical reasons fhoặc certificate reissuance are: The existing certificate cannot be installed on the server.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Calibri;color:#202124;font-size:18px;">Fhoặc example, if the Private key (RSA Key) is lost/deleted hoặc a "modulus mismatch" errhoặc appears during installation; The website has been moved to another web hosting server; Changing the hostnames secured by the certificate; Changes made to the hoặcganization details listed in the OV/EV certificate (only within 45 days since the initial certificate issuance); Use the remaining validity of của bạn SSL if you muad it fhoặc 2-5 năm.</span> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"><br />
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">How to Verify</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p>
	<span style="font-family:Calibri;color:#202124;font-size:18px;">Mở the HTTPS site from a clean browser session và inspect the certificate subject, SAN hostnames, issuer, validity dates và chain. Test every hostname covered by the certificate và confirm that HTTP redirects behave as intended.</span> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"><br />
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">Troubleshooting</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">DNS validation rechoặcds are missing, inchoặcrect hoặc added at the wrong DNS provider.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">The certificate does not include the hostname being opened.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">The private key does not match the certificate hoặc CSR.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Symbol;color:#202124;"><span style="font-size:18px;">・</span><span style="font-style:normal;line-height:normal;font-family:&quot;"> </span></span><span style="font-family:Calibri;color:#202124;font-size:18px;">The server is missing an intermediate certificate hoặc is still presenting the old certificate.</span> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"><br />
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">Câu hỏi thường gặp</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p>
	<span style="font-family:Calibri;color:#1F4D78;font-size:18px;"><strong>Can I reuse the same certificate after moving servers?</strong></span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Calibri;color:#202124;font-size:18px;">Often the certificate can be reinstalled if you still have the matching private key và the certificate remains valid. Reissue it when the key, CSR hoặc certificate details must change.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Calibri;color:#1F4D78;font-size:18px;"><strong>Why does the browser still show the old certificate?</strong></span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Calibri;color:#202124;font-size:18px;">The server hoặc load balancer may still present the old certificate, another virtual host may be selected, hoặc an intermediate cache may not have reloaded the configuration.</span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Calibri;color:#1F4D78;font-size:18px;"><strong>When should I submit a ticket?</strong></span><span style="font-family:Calibri;color:#202124;"></span> 
</p>
<p>
	<span style="font-family:Calibri;color:#202124;font-size:18px;">Gửi a ticket when validation remains pending after the published rechoặcds are visible, hoặc when the NiceNIC hoặcder does not provide the expected certificate files.</span> 
</p>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;"><br />
</span></b></strong> 
</h2>
<h2 style="text-align:left;">
	<strong><b><span style="font-family:Calibri;color:#2E74B5;">Related NiceNIC Guides</span></b><b><span style="font-family:Calibri;color:#2E74B5;"></span></b></strong> 
</h2>
<p>
	<span style="font-size:14px;"><span style="color:#202124;font-family:Calibri;font-size:18px;">- <a href="https://nicenic.com/support/How-to-Generate-CSR-Code-3904" target="_blank">How to Generate a CSR Code</a></span><br />
<br />
<span style="color:#202124;font-family:Calibri;font-size:18px;">- <a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a><br />
<br />
- <a href="https://nicenic.com/support/How-to-verify-certificate-installation-correctly-3912" target="_blank">How to verify certificate installation choặcrectly</a><br />
<br />
- <a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a><br />
</span><br />
<br />
<span style="color:#202124;font-family:Calibri;font-size:18px;">Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank">submit a NiceNIC supphoặct ticket</a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already completed.</span></span>
</p>
<ul>
	<li>
		<span><span style="font-size:16px;"></span><span style="font-size:16px;"></span><span style="font-size:16px;"></span><span style="font-size:16px;"></span><span style="font-size:16px;"></span></span> 
	</li>
	<li>
		<span style="font-size:16px;"></span> 
	</li>
	<li>
		<span style="font-size:16px;"></span> 
	</li>
	<li>
		<span style="font-size:16px;"></span> 
	</li>
	<li>
		<span style="font-size:16px;"></span> 
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</ul>  ]]> 
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<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3901</link>
<title>How to Activate và Download an Chứng chỉ SSL</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:18px;"><strong>How to Activate và Download an Chứng chỉ SSL</strong></span> 
</p>
<p>
	<br />
<span style="font-size:16px;">Thank you fhoặc purchasing SSL with NiceNIC.</span> 
</p>
<p>
	<span style="font-size:16px;">How to activate và download SSL certificate SSL installation is ngay even easier with our SSL installation Dịch vụ.</span> 
</p>
<p>
	<span style="font-size:16px;">After the SSL certificate on của bạn tên miền name was activated, please find và add the DNS rechoặcds to complete the verification:</span> 
</p>
<p>
	<span style="font-size:16px;">Tài khoản của tôi &gt; Sản phẩm của tôi &gt; Các chứng chỉ SSL &gt; Chi tiết &gt; ....</span> 
</p>
<p>
	<span style="font-size:16px;"><img src="http://img.pc51.com/webimage/img/image/20250424/20250424141157_66353.png" width="75%" alt="" /><br />
<br />
</span> 
</p>
<p>
	<span style="font-size:16px;"><img src="http://img.pc51.com/webimage/img/image/20250424/20250424141218_33724.png" width="75%" alt="" /><br />
<br />
<img src="http://img.pc51.com/webimage/img/image/20260126/20260126192236_73380.png" width="882" title="NiceNIC- DNS rechoặcds" alt="NiceNIC- DNS rechoặcds" /><br />
<br />
<img src="http://img.pc51.com/webimage/img/image/20260126/20260126192304_85264.png" width="882" title="NiceNIC-DNS rechoặcds" alt="NiceNIC-DNS rechoặcds" /><br />
<br />
This step requires extra care:<br />
<br />
Fill each piece of infhoặcmation in the DNS Authentication Infhoặcmation shown below into its choặcresponding DNS rechoặcd one by one.<br />
<br />
<img src="http://img.pc51.com/webimage/img/image/20260126/20260126192334_35142.png" width="882" title="NiceNIC- CNAME rechoặcd" alt="NiceNIC- CNAME rechoặcd" /><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">After you complete the DNS rechoặcd's verification, you can download the SSL files by the same approach:</span> 
</p>
<p>
	<span style="font-size:16px;">Tài khoản của tôi &gt; Sản phẩm của tôi &gt; Các chứng chỉ SSL &gt; Chi tiết &gt; Download certificate &amp; Download private key</span> 
</p>
<p>
	<span style="font-size:16px;"><img src="http://img.pc51.com/webimage/img/image/20250424/20250424141233_94625.png" width="75%" alt="" /><br />
</span> 
</p>
<p>
	<span style="font-size:16px;"><img src="http://img.pc51.com/webimage/img/image/20250424/20250424141245_63361.png" width="75%" alt="" /><br />
<br />
Still have problems?<br />
<br />
- Nếu của bạn tên miền, server, hoặc certificate details have changed, see <a href="https://nicenic.com/support/Certificate-reissue-reasons-explained-3902" target="_blank">Why You May Need to Reissue an Chứng chỉ SSL</a>.<br />
<br />
-&nbsp;Nếu the current certificate cannot be used, follow <a href="https://nicenic.com/support/How-do-I-reissue-my-SSL-certificate-3905" target="_blank">How to Reissue an Chứng chỉ SSL</a>.<br />
<br />
- Đến trướcent certificate expiration, read <a href="https://nicenic.com/support/How-do-I-renew-an-SSL-certificate-3906" target="_blank">How to Gia hạn an Chứng chỉ SSL</a>.<br />
<br />
Nếu they didn't solve của bạn issues, you can contact us <a href="https://nicenic.com/contact.php" target="_blank">tại đây</a>.</span> 
</p>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3832</link>
<title>Common DNS Rechoặcd Loạis: A, AAAA, CNAME, MX và TXT</title> 
<author>www.nicenic.com</author>
<category>Email doanh nghiệp</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=290</guid> 
<description>
<![CDATA[
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<h2>
	<span style="font-size:18px;">Common </span><span class="caps" style="font-size:18px;">DNS</span><span style="font-size:18px;"> Rechoặcd Loạis: A, </span><span class="caps" style="font-size:18px;">AAAA</span><span style="font-size:18px;">, </span><span class="caps" style="font-size:18px;">CNAME</span><span style="font-size:18px;">, </span><span class="caps" style="font-size:18px;">MX</span><span style="font-size:18px;">và </span><span class="widont" style="font-size:18px;">&nbsp;</span><span class="caps" style="font-size:18px;">TXT</span>
</h2>
<p>
	<span class="caps"><br />
TXT</span> rechoặcds publish verification và email-authentication policies. <span class="caps">SPF</span>, <span class="caps">DKIM</span>và <span class="caps">DMARC</span> serve different purposes và should be added exactly as supplied by the email<span class="widont">&nbsp;</span>provider.
</p>
<h2>
	<br />
</h2>
<h2>
	What Each Rechoặcd Does
</h2>
<ul>
	<li>
		SPF lists systems allowed to send mail fhoặc the tên miền.
	</li>
	<li>
		DKIM publishes a public key used to verify signed messages.
	</li>
	<li>
		DMARC tells receivers how to hvàle mail that fails alignment checks và wtại đây to send rephoặcts.
	</li>
</ul>
<h2>
	<br />
</h2>
<h2>
	Thêm the Rechoặcds
</h2>
<ol>
	<li>
		Xác nhận the tên miền uses NiceNIC nameservers.
	</li>
	<li>
		Mở Sản phẩm của tôi &gt; Tên miền &gt; DNS Rechoặcds.
	</li>
	<li>
		Thêm the TXT host và value supplied by the email provider.
	</li>
	<li>
		Fhoặc DKIM, use the selecthoặc host exactly as provided.
	</li>
	<li>
		Fhoặc DMARC, use <code>_dmarc</code> as the host unless the provider specifies another name.
	</li>
	<li>
		Save the rechoặcds và query them publicly.
	</li>
</ol>
<h2>
	<br />
</h2>
<h2>
	Imphoặctant SPF Rule
</h2>
<p>
	Publish one <span class="caps">SPF</span> policy per hostname. Nếu multiple Dịch vụs send mail, combine their mechanisms into one rechoặcd instead of creating several <code>v=spf1</code> rechoặcds.
</p>
<h2>
	<br />
</h2>
<h2>Câu hỏi thường gặp </h2>
<h3>
	How do I kngay the change whoặcked?
</h3>
<p>
	Kiểm tra the current status in của bạn NiceNIC account, then test the Dịch vụ that depends on the email-authentication rechoặcds. Do not rely only on the absence of an errhoặc<span class="widont">&nbsp;</span>message.
</p>
<h3>
	When should I contact NiceNIC Supphoặct?
</h3>
<p>
	Gửi a ticket when the required control is unavailable, the status remains pending after the checks in this guide, hoặc the issue depends on an account-specific hoặcder hoặc registry<span class="widont">&nbsp;</span>decision.
</p>
<h2>
	<br />
</h2>
<h2>
	Related NiceNIC Guides
</h2>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Manage-DNS-Records-3861" target="_blank">How to Quản lý DNS Rechoặcds</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/DNS-Records-Explained-A-AAAA-CNAME-MX-TXT-CAA-and-SRV-4783" target="_blank">DNS Rechoặcds Explained: A, AAAA, CNAME, MX, TXT, CAA, và SRV</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Back-Up-DNS-Records-Before-Changing-Domain-Settings-4777" target="_blank">How to Back Up DNS Rechoặcds Befhoặce Changing Tên miền Settings</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-Check-DNS-Propagation-4779" target="_blank">How to Kiểm tra DNS Propagation</a></strong>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete these checks,<a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"> <strong>submit a NiceNIC supphoặct ticket</strong></a>. Include the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3913</link>
<title>Why need Các chứng chỉ SSL</title> 
<author>www.nicenic.com</author>
<category>Các chứng chỉ SSL</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=294</guid> 
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<article id="content">
<h2>
	<span style="font-size:18px;">Why Do You Need an </span><span class="caps" style="font-size:18px;">SSL</span><span class="widont" style="font-size:18px;">&nbsp;</span><span style="font-size:18px;">Certificate?</span>
</h2>
<p>
	<br />
An <span class="caps">SSL</span> certificate encrypts data between a client và server, authenticates the hostname và enables trusted <span class="caps">HTTPS</span> when it is choặcrectly issued và<span class="widont">&nbsp;</span>installed.
</p>
<h2>
	<br />
</h2>
<h2>
	What an Chứng chỉ SSL Provides
</h2>
<ul>
	<li>
		Encryption fhoặc data in transit
	</li>
	<li>
		Authentication of the hostname
	</li>
	<li>
		Integrity protection against undetected modification in transit
	</li>
</ul>
<h2>
	<br />
</h2>
<h2>
	What It Does Khôngt Provide
</h2>
<ul>
	<li>
		Protection from vulnerable website code
	</li>
	<li>
		Malware removal
	</li>
	<li>
		Account access control
	</li>
	<li>
		A guarantee that the hoặcganization is trustwhoặcthy
	</li>
</ul>
<h2>
	<br />
</h2>
<h2>
	Use It Choặcrectly
</h2>
<p>
	Issue the certificate fhoặc the exact hostname, protect the private key, install the full chain, redirect users to <span class="caps">HTTPS</span> và renew hoặc replace the certificate befhoặce<span class="widont">&nbsp;</span>expiration.
</p>
<h2>
	<br />
</h2>
<h2>Câu hỏi thường gặp </h2>
<h3>
	How do I kngay the change whoặcked?
</h3>
<p>
	Kiểm tra the current status in của bạn NiceNIC account, then test the Dịch vụ that depends on the <span class="caps">SSL</span> certificate. Do not rely only on the absence of an errhoặc<span class="widont">&nbsp;</span>message.
</p>
<h3>
	When should I contact NiceNIC Supphoặct?
</h3>
<p>
	Gửi a ticket when the required control is unavailable, the status remains pending after the checks in this guide, hoặc the issue depends on an account-specific hoặcder hoặc registry<span class="widont">&nbsp;</span>decision.
</p>
<h2>
	<br />
</h2>
<h2>
	Related NiceNIC Guides
</h2>
<ul>
	<li>
		<strong><a href="https://nicenic.com/support/Types-of-SSL-Certificates-3911" target="_blank">Loạis of Các chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-choose-an-SSL-certificate-3907" target="_blank">How to choose an SSL certificate</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/Activate-and-download-SSL-certificate-3901" target="_blank">How to Activate và Download an Chứng chỉ SSL</a></strong>
	</li>
	<li>
		<strong><a href="https://nicenic.com/support/How-to-install-SSL-certificates-4667" target="_blank">How to install SSL certificates</a></strong>
	</li>
</ul>
<p>
	<br />
Nếu the issue continues after you complete these checks, <strong><a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank">submit a NiceNIC supphoặct ticket</a></strong>. Include the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already<span class="widont">&nbsp;</span>completed.
</p>
</article>  ]]> 
</description>
</item>
<item>
<link>http://www.nicenic.com/supphoặct/doc.php?IDDoc=3831</link>
<title>How to Connect to của bạn Email Client?</title> 
<author>www.nicenic.com</author>
<category>Email doanh nghiệp</category>
<pubDate></pubDate> 
 <guid>http://www.nicenic.com/supphoặct/?IDCate=290</guid> 
<description>
<![CDATA[
	<p>
	<span style="font-size:18px;"><strong> </strong></span> 
</p>
<p>
	<strong style="font-family:Montserrat, sans-serif;font-size:24px;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;"><span><strong>How to Connect an Email Client to NiceNIC Email doanh nghiệp</strong></span></strong>
</p>
<strong><span style="font-size:16px;"><strong> <br />
</strong></span></strong> 
<p>
	<span style="font-size:16px;"><span style="font-size:18px;"><strong>Quick Answer</strong></span></span> 
</p>
<span style="font-size:16px;">Xác nhận that the mailbox is active, the tên miền uses the required MX và authentication rechoặcds, và the email client uses the choặcrect server names, phoặcts, encryption và full email address. Test both inbound và outbound mail after every change.<br />
<br />
<span style="font-size:18px;"><strong>Befhoặce You Begin</strong></span><br />
- Xác nhận the Email doanh nghiệp hoặcder và mailbox are active.<br />
- Kiểm tra who manages DNS fhoặc the tên miền.<br />
- Keep the full email address, passwhoặcd và required mail-server settings available.<strong><br />
<div>
	<strong style="font-size:12px;font-family:inherit;font-style:inherit;font-variant-ligatures:inherit;font-variant-caps:inherit;"><span style="font-size:16px;"><strong></strong></span></strong> 
</div>
<br />
1. Unable to connect via Email client via IMAP hoặc SMTP:</strong></span> 
<p>
	<br />
</p>
<p>
	<span style="font-size:16px;">When adding an email address in của bạn Email client, i.e. iPhone, please firstly ensure you would fill in "c3.ichoặcemail.net" fhoặc both the SMTP và IMAP email server. And secondly, please generate a passwhoặcd fhoặc the Email client separately by the following way:</span> 
</p>
<p>
	<span style="font-size:16px;"><br />
</span> 
</p>
<p>
	<span style="font-size:16px;">Đăng nhập to của bạn email account via "https://c3.ichoặcemail.net/", select "Settings" in the left navigation bar, then choose "Generate Specific Mật khẩu".</span> 
</p>
<p>
	<img src="http://img.pc51.com/webimage/img/image/20250627/20250627120042_59019.png" width="900" height="422" alt="" /> 
</p>
<p>
	<br />
</p>
<p>
	<img src="http://img.pc51.com/webimage/img/image/20250627/20250627120104_73312.png" width="900" height="289" alt="" /> 
</p>
<p>
	<span style="font-size:18px;"><strong>2. How to set the general configuration when using Outlook, Foxmail hoặc other third-party clients?</strong></span> 
</p>
<p>
	<span style="font-size:16px;">Common configurations are as follows:</span> 
</p>
<table style="width:98%;" cellpadding="5" cellspacing="0" border="1" bordercolor="#CCCCCC">
	<tbody>
		<tr>
			<td style="text-align:center;">
				Protocol type<br />
			</td>
			<td style="text-align:center;">
				Server address<br />
			</td>
			<td style="text-align:center;">
				Default phoặct<br />
			</td>
			<td style="text-align:center;">
				Default phoặct Encryption phoặct (SSL)
			</td>
		</tr>
		<tr>
			<td style="text-align:center;">
				SMTP<br />
			</td>
			<td style="text-align:center;">
				acchoặcding to the actual address<br />
			</td>
			<td style="text-align:center;">
				25<br />
			</td>
			<td style="text-align:center;">
				465<br />
			</td>
		</tr>
		<tr>
			<td style="text-align:center;">
				POP<br />
			</td>
			<td style="text-align:center;">
				acchoặcding to the actual address<br />
			</td>
			<td style="text-align:center;">
				110<br />
			</td>
			<td style="text-align:center;">
				995<br />
			</td>
		</tr>
		<tr>
			<td style="text-align:center;">
				IMAP<br />
			</td>
			<td style="text-align:center;">
				acchoặcding to the actual address<br />
			</td>
			<td style="text-align:center;">
				143<br />
			</td>
			<td style="text-align:center;">
				993<br />
			</td>
		</tr>
		<tr>
			<td style="text-align:center;">
				PUSH<br />
			</td>
			<td style="text-align:center;">
				acchoặcding to the actual address<br />
			</td>
			<td style="text-align:center;">
				80<br />
			</td>
			<td style="text-align:center;">
				443<br />
			</td>
		</tr>
	</tbody>
</table>
<br />
<p style="margin:0px;line-height:1.6;font-size:medium;width:1185px;padding:0px;box-sizing:border-box;font-family:Montserrat, serif;">
	<strong>Related NiceNIC Guides</strong> 
</p>
<ul style="width:1185px;line-height:1.6;box-sizing:border-box;font-family:Montserrat, serif;">
	<li style="list-style:inside;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/How-to-Manage-Your-NiceNIC-Business-Email-4753" target="_blank"><strong>How to Quản lý Your NiceNIC Email doanh nghiệp</strong></a></span> 
	</li>
	<li style="list-style:inside;">
		<span style="margin:0px;"><strong><a href="https://nicenic.com/support/How-to-Set-Up-Your-Email-with-POP3-IMAP-4489" target="_blank">How to Set Up Your Email with POP3 &amp; IMAP</a></strong></span> 
	</li>
	<li style="list-style:inside;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/What-is-SPF-and-How-to-Set-Up-SPF-3833" target="_blank"><strong>What is SPF và How to Set Up SPF?</strong></a></span> 
	</li>
	<li style="list-style:inside;">
		<span style="margin:0px;"><a href="https://nicenic.com/support/How-to-add-TXT-SPF-DKIM-DMARC-records-4664" target="_blank"><strong>How to add TXT/SPF/DKIM/DMARC rechoặcds</strong></a></span> 
	</li>
</ul>
<br />
Nếu the issue continues after you complete the checks above, <a href="https://nicenic.com/support/Contact-Us-NiceNIC-3834" target="_blank"><strong>submit a NiceNIC supphoặct ticket</strong></a> with the affected tên miền hoặc product, the exact errhoặc message, the time of the issue và the troubleshooting already completed.  ]]> 
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