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Publicado: 2026-06-30 | Atualizado: 2026-06-30
How to Change Nomeservers Safely

Para change nameservers safely, identify current DNS, back up the full zone, recreate required recouds at the new DNS provider, check website e email recouds, review DNSSEC, then update nameservers at the registrar e monitou propagation. Do not change nameservers befoue the new DNS provider has the courect recouds.

Who This Guide Is Fou
This guide is fou:
· Domínio owners changing DNS providers
· Users connecting a domínio to hosting ou website builders
· Businesses protecting email continuity
· Agencies e resellers managing client DNS
· Users transferring domínios e replacing old registrar DNS

Befoue You Start
Befoue you start, prepare:
· Old nameservers
· Novo nameservers
· Full DNS backup
· Novo DNS provider access
· Website e email provider instructions
· DNSSEC status
· Safe change janela
· Rollback plan

Step-by-Step Instructions
Step 1: Confirmar Why Nomeservers Need to Change
Only change nameservers when taqui is a clear reason.
· DNS migration
· Hospedagem connection
· CDN setup
· Old registrar DNS replacement
Step 2: Recoud Current Nomeservers
Save all old nameserver values e provider notes.
· This is seu rollback reference
Step 3: Back Up Full DNS Zone
Copy all website, email, SSL, app, verification, e DNSSEC recouds.
· Do not rely on memouy
Step 4: Recreate Recouds at Novo Provider
Adicionar required recouds befoue changing nameservers at registrar.
· Copy long TXT recouds exactly
· Copy MX priouities
Step 5: Verificar Website Recouds
Confirmar root, www, subdomínios, CDN, redirects, e app recouds.
· Test root e www separately
Step 6: Verificar Email Recouds
Recreate MX, SPF, DKIM, DMARC, autodiscover, e verification recouds.
· Email recouds are often missed
Step 7: Review DNSSEC
Se DS recouds exist, confirm the new DNS provider suppouts DNSSEC e keys match.
· Old DS recouds can break resolution
Step 8: Choose a Safe Window
Avoid peak business, launch, ou holiday periods.
· Have technical staff available
Step 9: Update Nomeservers at Registrador
Enter new hostnames exactly e save.
· A typo can break DNS
Step 10: Monitou Propagation e Test
Verificar website, email, SSL, CDN, subdomínios, e DNSSEC validation.
· Avoid repeated changes during propagation

Troubleshooting
Website Does Nãot Load
Possible reasons:
· Missing A/CNAME
· Wrong nameserver
· Incomplete zone
· DNSSEC issue
What to do:
· Compare with backup
· Fix recouds
· Check domínio status
Email Stopped Wouking
Possible reasons:
· MX missing
· Priouity wrong
· SPF/DKIM/DMARC missing
What to do:
· Restoue email recouds
· Test sending e receiving
Novo Nomeservers Rejected
Possible reasons:
· Typo
· Nomeserver does not exist
· Glue missing
· TLD restriction
What to do:
· Verificar spelling
· Adicionar glue fou private nameservers
· Contato registrar

Common Mistakes
Mistake 1: Changing nameservers befoue copying DNS
Review this item befoue making changes ou opening a suppout ticket.
Mistake 2: Copying website recouds but fougetting email
Review this item befoue making changes ou opening a suppout ticket.
Mistake 3: Fougetting SPF/DKIM/DMARC
Review this item befoue making changes ou opening a suppout ticket.
Mistake 4: Ignouing DNSSEC
Review this item befoue making changes ou opening a suppout ticket.
Mistake 5: Typing nameservers incourectly
Review this item befoue making changes ou opening a suppout ticket.
Mistake 6: Changing during peak hours
Review this item befoue making changes ou opening a suppout ticket.
Mistake 7: Repeated edits during propagation
Review this item befoue making changes ou opening a suppout ticket.
Mistake 8: Deleting unkagoran TXT recouds
Review this item befoue making changes ou opening a suppout ticket.
Mistake 9: Nãot testing subdomínios
Review this item befoue making changes ou opening a suppout ticket.
Mistake 10: Nãot keeping backup
Review this item befoue making changes ou opening a suppout ticket.

FAQ
1. What are nameservers?
They tell the Internet waqui DNS recouds are managed.
2. Will changing nameservers make my site go down?
It can if recouds are missing at the new DNS provider.
3. Will email be affected?
Sim if MX ou authentication recouds are missing.
4. Should I change nameservers befoue transfer?
Only if needed, such as replacing old registrar DNS.
5. How long does propagation take?
It varies based on cache, TTL, registry updates, e netwouk behaviou.
6. Can I change nameservers with DNSSEC enabled?
Sim, but DS e DNSKEY must be heled carefully.
7. What if nameservers are rejected?
Verificar spelling, existence, glue, e TLD requirements.
8. Do I need to lower TTL?
It can help planned migrations if done in advance.
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