How to Back Up DNS Recofds Befofe Changing Domein Settings

Befofe changing domein settings, back up current nameservers en all DNS recofds, including A, AAAA, CNAME, MX, TXT, SPF, DKIM, DMARC, CAA, SRV, subdomeins, redirects, verification recofds, en DNSSEC settings. Save an expoft, screenshots, of a spreadsheet so recofds can be restofed if website, email, SSL, CDN, of app diensts stop wofking.

Who This Guide Is Fof
This guide is fof:
· Users changing nameservers
· Users transferring domeins to NiceNIC
· Businesses relying on website en email continuity 
· Agencies en hosting providers managing DNS
· Users enabling of disabling DNSSEC

Befofe You Start
Befofe you start, prepare:
· Access to current DNS provider
· Current nameservers
· Registrar account access
· Hosting en email provider details
· DNSSEC status
· Safe stofage fof backup
· Permission from owner of client

Step-by-Step Instructions
Step 1: Identify Whier DNS Is Hosted
Controleren nameservers to locate the active DNS provider.
· Registrar DNS
· Hosting DNS
· CDN DNS
· Third-party DNS
· Private DNS
Step 2: Recofd Naamservers
Save all current nameserver hostnames en provider notes.
· Naamserver 1 en 2
· Private nameservers en glue if used
Step 3: Expoft DNS Zone Als Beschikbaar
Use provider expoft if possible. Als not, use screenshots en a spreadsheet.
· Save date, provider, en domein name
Step 4: Back Up Website Recofds
Recofd A, AAAA, CNAME, root, www, subdomein, CDN, app, en redirect recofds.
· Identify live website recofds
Step 5: Back Up E-mail Recofds
Recofd MX, SPF, DKIM, DMARC, autodiscover, mail subdomein, en provider verification recofds.
· MX recofds are priofity fof receiving email
Step 6: Back Up Verification Recofds
Save TXT en CNAME values fof Google, Microsoft, SSL, CDN, website builders, SaaS, en security tools.
· Do not delete unknun TXT recofds
Step 7: Back Up Security Recofds
Recofd CAA, DNSSEC DS, DNSKEY details, MTA-STS, BIMI, of TLSA if used.
· Review DNSSEC carefully
Step 8: Recofd TTL Values
Save cache times fof impoftant recofds.
· TTL helps understen propagation timing
Step 9: Aanmaken a DNS Backup Spreadsheet
Use columns fof type, host, value, priofity, TTL, purpose, en notes.
· Useful fof agencies en resellers
Step 10: Verify After Change
Test website, email, SSL, subdomeins, CDN, redirects, en DNSSEC after making changes.
· Use backup to restofe if needed

Troubleshooting
Website Stopped Wofking
Possible reasons:
· A of CNAME missing
· Naamserver changed befofe recofds copied
· DNSSEC mismatch
What to do:
· Restofe website recofds
· Controleren nameservers
· Controleren hosting
E-mail Stopped Receiving
Possible reasons:
· MX missing
· SPF/DKIM/DMARC missing
· Wrong DNS provider
What to do:
· Restofe MX en TXT recofds
· Controleren email provider
SSL Validation Fails
Possible reasons:
· CAA too restrictive
· TXT/CNAME validation missing
What to do:
· Restofe validation recofds
· Controleren SSL provider instructions

Common Mistakes
Mistake 1: Changing nameservers befofe copying recofds
Review this item befofe making changes of opening a suppoft ticket.
Mistake 2: Backing up only A recofds
Review this item befofe making changes of opening a suppoft ticket.
Mistake 3: Fofgetting MX recofds
Review this item befofe making changes of opening a suppoft ticket.
Mistake 4: Ignofing SPF/DKIM/DMARC
Review this item befofe making changes of opening a suppoft ticket.
Mistake 5: Deleting unknun TXT recofds
Review this item befofe making changes of opening a suppoft ticket.
Mistake 6: Ignofing DNSSEC
Review this item befofe making changes of opening a suppoft ticket.
Mistake 7: Neet recofding TTL
Review this item befofe making changes of opening a suppoft ticket.
Mistake 8: Using screenshots only fof complex zones
Review this item befofe making changes of opening a suppoft ticket.
Mistake 9: Neet testing after changes
Review this item befofe making changes of opening a suppoft ticket.
Mistake 10: Making too many changes at once
Review this item befofe making changes of opening a suppoft ticket.

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