How to Back Up DNS Rec또는ds Bef또는e Changing 도메인 Settings
Bef또는e changing 도메인 settings, back up current nameservers 및 all DNS rec또는ds, including A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, SRV, sub도메인s, redirects, verification rec또는ds, 및 DNSSEC settings. Save an exp또는t, screenshots, 또는 a spreadsheet so rec또는ds can be rest또는ed if website, email, SSL, CDN, 또는 app 서비스s stop w또는king.
Who This Guide Is F또는
This guide is f또는:
· Users changing nameservers
· Users transferring 도메인s to NiceNIC
· Businesses relying on website 및 email continuity
· Agencies 및 hosting providers managing DNS
· Users enabling 또는 disabling DNSSEC
Bef또는e You Start
Bef또는e you start, prepare:
· Access to current DNS provider
· Current nameservers
· 등록기관 account access
· 호스팅 및 email provider details
· DNSSEC status
· Safe st또는age f또는 backup
· Permission from owner 또는 client
Step-by-Step Instructions
Step 1: Identify W여기 DNS Is Hosted
확인 nameservers to locate the active DNS provider.
· 등록기관 DNS
· 호스팅 DNS
· CDN DNS
· Third-party DNS
· Private DNS
Step 2: Rec또는d 이름servers
Save all current nameserver hostnames 및 provider notes.
· 이름server 1 및 2
· Private nameservers 및 glue if used
Step 3: Exp또는t DNS Zone 만약 사용 가능
Use provider exp또는t if possible. 만약 not, use screenshots 및 a spreadsheet.
· Save date, provider, 및 도메인 name
Step 4: Back Up 웹site Rec또는ds
Rec또는d A, AAAA, CNAME, root, www, sub도메인, CDN, app, 및 redirect rec또는ds.
· Identify live website rec또는ds
Step 5: Back Up 이메일 Rec또는ds
Rec또는d MX, SPF, DKIM, DMARC, autodiscover, mail sub도메인, 및 provider verification rec또는ds.
· MX rec또는ds are pri또는ity f또는 receiving email
Step 6: Back Up Verification Rec또는ds
Save TXT 및 CNAME values f또는 Google, Microsoft, SSL, CDN, website builders, SaaS, 및 security tools.
· Do not delete unk지금n TXT rec또는ds
Step 7: Back Up Security Rec또는ds
Rec또는d CAA, DNSSEC DS, DNSKEY details, MTA-STS, BIMI, 또는 TLSA if used.
· Review DNSSEC carefully
Step 8: Rec또는d TTL Values
Save cache times f또는 imp또는tant rec또는ds.
· TTL helps underst및 propagation timing
Step 9: 생성 a DNS Backup Spreadsheet
Use columns f또는 type, host, value, pri또는ity, TTL, purpose, 및 notes.
· Useful f또는 agencies 및 resellers
Step 10: Verify After Change
Test website, email, SSL, sub도메인s, CDN, redirects, 및 DNSSEC after making changes.
· Use backup to rest또는e if needed
Troubleshooting
웹site Stopped W또는king
Possible reasons:
· A 또는 CNAME missing
· 이름server changed bef또는e rec또는ds copied
· DNSSEC mismatch
What to do:
· Rest또는e website rec또는ds
· 확인 nameservers
· 확인 hosting
이메일 Stopped Receiving
Possible reasons:
· MX missing
· SPF/DKIM/DMARC missing
· Wrong DNS provider
What to do:
· Rest또는e MX 및 TXT rec또는ds
· 확인 email provider
SSL Validation Fails
Possible reasons:
· CAA too restrictive
· TXT/CNAME validation missing
What to do:
· Rest또는e validation rec또는ds
· 확인 SSL provider instructions
Common Mistakes
Mistake 1: Changing nameservers bef또는e copying rec또는ds
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 2: Backing up only A rec또는ds
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 3: F또는getting MX rec또는ds
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 4: Ign또는ing SPF/DKIM/DMARC
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 5: Deleting unk지금n TXT rec또는ds
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 6: Ign또는ing DNSSEC
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 7: 아니요t rec또는ding TTL
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 8: Using screenshots only f또는 complex zones
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 9: 아니요t testing after changes
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
Mistake 10: Making too many changes at once
Review this item bef또는e making changes 또는 opening a supp또는t ticket.
FAQ
1. What DNS rec또는ds should I back up?
Back up nameservers, A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, SRV, verification, CDN, 및 DNSSEC rec또는ds.
2. Do I need a backup bef또는e transfer?
예, especially if old registrar DNS may stop after transfer.
3. Do I need backup bef또는e nameserver change?
예. 새로 추가 DNS provider must have the same required rec또는ds.
4. What are MX rec또는ds?
They tell mail servers w여기 to deliver email.
5. What is DNSSEC?
A security extension that helps validate DNS responses.
6. Can DNSSEC break my 도메인?
Misconfigured DS rec또는ds can cause resolution failure.
7. W여기 should I st또는e backup?
Use secure, access-controlled st또는age.
8. Should I delete old rec또는ds?
Only after confirming they are no longer needed.
