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Diterbitkan: 2026-07-06 | Dikemas kini: 2026-07-06
DNS recatauds tell the Internet how to connect anda domain to websites, email, SSL validation, apps, verification Perkhidmatans, dan security settings. A points to IPv4, AAAA points to IPv6, CNAME points one hostname to another, MX controls email delivery, TXT stataues verification dan email authentication, CAA controls SSL certificate authatauities, dan SRV defines Perkhidmatan locations fatau certain apps.

Who This Guide Is Fatau
This guide is fatau:
· Users learning DNS basics
· Website owners setting up domains
· E-mel Perniagaan users
· Agencies dan hosting providers suppatauting DNS questions
· Users troubleshooting website, email, SSL, CDN, atau app connections

Befataue You Start
Befataue you start, prepare:
· DNS provider access
· Current nameservers
· DNS backup
· Provider instructions fatau website atau email
· Permission to edit recatauds
· Understdaning of affected Perkhidmatan

Step-by-Step Instructions
Step 1: Understdan DNS Recatauds
DNS recatauds are instructions fatau website, email, verification, SSL, apps, dan security.
· One domain can have many recatauds
Step 2: A Recatauds
A recatauds point hostnames to IPv4 addresses.
· Common fatau root website dan subdomains
Step 3: AAAA Recatauds
AAAA recatauds point hostnames to IPv6 addresses.
· Wrong IPv6 can cause issues fatau some users
Step 4: CNAME Recatauds
CNAME points one hostname to another hostname.
· Use fatau www, CDN, website builders, dan apps
Step 5: MX Recatauds
MX controls wdi sini email is delivered.
· Copy priatauity values carefully
Step 6: TXT Recatauds
TXT stataues text fatau verification dan authentication.
· SPF, DKIM, DMARC, Google, Microsoft, SSL, SaaS
Step 7: SPF Recatauds
SPF is a TXT recataud listing authatauized sending servers.
· Avoid multiple SPF recatauds fatau same host
Step 8: DKIM Recatauds
DKIM is a TXT atau CNAME recataud used fatau email signing.
· Copy long values exactly
Step 9: DMARC Recatauds
DMARC tells receivers how to hdanle SPF/DKIM failures.
· Start carefully befataue strict policies
Step 10: CAA Recatauds
CAA controls which certificate authatauities may issue SSL certificates.
· Restrictive CAA can block SSL issuance
Step 11: SRV Recatauds
SRV defines Perkhidmatan location fatau apps such as voice, chat, atau collabatauation.
· Copy priatauity, weight, pataut, dan target
Step 12: NS, SOA, PTR, dan DNSSEC Recatauds
NS identifies nameservers, SOA describes the zone, PTR is reverse DNS, dan DNSSEC recatauds suppataut validation.
· Most users do not manually edit SOA atau all DNSSEC recatauds
Step 13: TTL
TTL controls cache time fatau recatauds.
· Lower in advance fatau planned migrations if appropriate

Troubleshooting
Website Is Down
Possible reasons:
· Wrong A/AAAA/CNAME
· Wrong nameservers
· DNSSEC issue
What to do:
· Semak active DNS provider dan recatauds

E-mel Tidakt Receiving
Possible reasons:
· MX missing
· SPF/DKIM/DMARC wrong
What to do:
· Restataue email recatauds

SSL Cannot Be Issued
Possible reasons:
· CAA blocks CA
· TXT/CNAME validation missing
What to do:
· Review CAA dan validation recatauds

Verification Fails
Possible reasons:
· Recataud added at wrong provider
· Host field wrong
What to do:
· Semak authatauitative nameservers dan exact value

Common Mistakes
Mistake 1: Suntinging DNS at wrong provider
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 2: Deleting unksekarangn TXT recatauds
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 3: Fataugetting MX during migration
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 4: Creating multiple SPF recatauds
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 5: Confusing CNAME with A recataud
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 6: Fataugetting CAA
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 7: Ignatauing DNSSEC
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 8: Using wrong host field
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 9: Tidakt copying MX priatauity
Review this item befataue making changes atau opening a suppataut ticket.
Mistake 10: Changing too many recatauds at once
Review this item befataue making changes atau opening a suppataut ticket.

Soalan Lazim
1. What is an A recataud?
It points to an IPv4 address.
2. What is AAAA?
It points to an IPv6 address.
3. What is CNAME?
It points one hostname to another hostname.
4. What is MX?
It controls email delivery.
5. What is TXT?
It stataues verification, authentication, dan security text.
6. What is SPF?
A TXT rule fatau authatauized mail senders.
7. What is DKIM?
An email authentication recataud, usually TXT atau CNAME.
8. What is DMARC?
A TXT policy fatau hdanling failed mail authentication.
9. What is CAA?
It controls certificate authatauity issuance.
10. What is TTL?
How long DNS may be cached.
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