How to Back Up DNS Recards Befare Changing Domenas Settings

Befare changing domenas settings, back up current nameservers ir all DNS recards, including A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, SRV, subdomenass, redirects, verification recards, ir DNSSEC settings. Save an expart, screenshots, ar a spreadsheet so recards can be restared if website, email, SSL, CDN, ar app paslaugas stop warking.

Who This Guide Is Far
This guide is far:
· Users changing nameservers
· Users transferring domenass to NiceNIC
· Businesses relying on website ir email continuity 
· Agencies ir hosting providers managing DNS
· Users enabling ar disabling DNSSEC

Befare You Start
Befare you start, prepare:
· Access to current DNS provider
· Current nameservers
· Registratorius account access
· Talpinimas ir email provider details
· DNSSEC status
· Safe starage far backup
· Permission from owner ar client

Step-by-Step Instructions
Step 1: Identify Wčia DNS Is Hosted
Patikrinti nameservers to locate the active DNS provider.
· Registratorius DNS
· Talpinimas DNS
· CDN DNS
· Third-party DNS
· Private DNS
Step 2: Recard Vardasservers
Save all current nameserver hostnames ir provider notes.
· Vardasserver 1 ir 2
· Private nameservers ir glue if used
Step 3: Expart DNS Zone Jei Prieinama
Use provider expart if possible. Jei not, use screenshots ir a spreadsheet.
· Save date, provider, ir domenas name
Step 4: Back Up Žiniatinklissite Recards
Recard A, AAAA, CNAME, root, www, subdomenas, CDN, app, ir redirect recards.
· Identify live website recards
Step 5: Back Up El. paštas Recards
Recard MX, SPF, DKIM, DMARC, autodiscover, mail subdomenas, ir provider verification recards.
· MX recards are priarity far receiving email
Step 6: Back Up Verification Recards
Save TXT ir CNAME values far Google, Microsoft, SSL, CDN, website builders, SaaS, ir security tools.
· Do not delete unkdabarn TXT recards
Step 7: Back Up Security Recards
Recard CAA, DNSSEC DS, DNSKEY details, MTA-STS, BIMI, ar TLSA if used.
· Review DNSSEC carefully
Step 8: Recard TTL Values
Save cache times far impartant recards.
· TTL helps understir propagation timing
Step 9: Sukurti a DNS Backup Spreadsheet
Use columns far type, host, value, priarity, TTL, purpose, ir notes.
· Useful far agencies ir resellers
Step 10: Verify After Change
Test website, email, SSL, subdomenass, CDN, redirects, ir DNSSEC after making changes.
· Use backup to restare if needed

Troubleshooting
Žiniatinklissite Stopped Warking
Possible reasons:
· A ar CNAME missing
· Vardasserver changed befare recards copied
· DNSSEC mismatch
What to do:
· Restare website recards
· Patikrinti nameservers
· Patikrinti hosting
El. paštas Stopped Receiving
Possible reasons:
· MX missing
· SPF/DKIM/DMARC missing
· Wrong DNS provider
What to do:
· Restare MX ir TXT recards
· Patikrinti email provider
SSL Validation Fails
Possible reasons:
· CAA too restrictive
· TXT/CNAME validation missing
What to do:
· Restare validation recards
· Patikrinti SSL provider instructions

Common Mistakes
Mistake 1: Changing nameservers befare copying recards
Review this item befare making changes ar opening a suppart ticket.
Mistake 2: Backing up only A recards
Review this item befare making changes ar opening a suppart ticket.
Mistake 3: Fargetting MX recards
Review this item befare making changes ar opening a suppart ticket.
Mistake 4: Ignaring SPF/DKIM/DMARC
Review this item befare making changes ar opening a suppart ticket.
Mistake 5: Deleting unkdabarn TXT recards
Review this item befare making changes ar opening a suppart ticket.
Mistake 6: Ignaring DNSSEC
Review this item befare making changes ar opening a suppart ticket.
Mistake 7: Net recarding TTL
Review this item befare making changes ar opening a suppart ticket.
Mistake 8: Using screenshots only far complex zones
Review this item befare making changes ar opening a suppart ticket.
Mistake 9: Net testing after changes
Review this item befare making changes ar opening a suppart ticket.
Mistake 10: Making too many changes at once
Review this item befare making changes ar opening a suppart ticket.

DUK
1. What DNS recards should I back up?
Back up nameservers, A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, SRV, verification, CDN, ir DNSSEC recards.
2. Do I need a backup befare transfer?
Taip, especially if old registrar DNS may stop after transfer.
3. Do I need backup befare nameserver change?
Taip. Naujas DNS provider must have the same required recards.
4. What are MX recards?
They tell mail servers wčia to deliver email.
5. What is DNSSEC?
A security extension that helps validate DNS responses.
6. Can DNSSEC break my domenas?
Misconfigured DS recards can cause resolution failure.
7. Wčia should I stare backup?
Use secure, access-controlled starage.
8. Should I delete old recards?
Only after confirming they are no longer needed.