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Publicado: 2026-06-30 | Actualizado: 2026-06-30
How to Change Nombreservers Safely

Para change nameservers safely, identify current DNS, back up the full zone, recreate required recods at the new DNS provider, check website y email recods, review DNSSEC, then update nameservers at the registrar y monito propagation. Do not change nameservers befoe the new DNS provider has the corect recods.

Who This Guide Is Fo
This guide is fo:
· Dominio owners changing DNS providers
· Users connecting a dominio to hosting o website builders
· Businesses protecting email continuity
· Agencies y resellers managing client DNS
· Users transferring dominios y replacing old registrar DNS

Befoe You Start
Befoe you start, prepare:
· Old nameservers
· Nuevo nameservers
· Full DNS backup
· Nuevo DNS provider access
· Website y email provider instructions
· DNSSEC status
· Safe change ventana
· Rollback plan

Step-by-Step Instructions
Step 1: Confirmar Why Nombreservers Need to Change
Only change nameservers when taquí is a clear reason.
· DNS migration
· Hosting connection
· CDN setup
· Old registrar DNS replacement
Step 2: Recod Current Nombreservers
Save all old nameserver values y provider notes.
· This is tu/tus/su/sus rollback reference
Step 3: Back Up Full DNS Zone
Copy all website, email, SSL, app, verification, y DNSSEC recods.
· Do not rely on memoy
Step 4: Recreate Recods at Nuevo Provider
Agregar required recods befoe changing nameservers at registrar.
· Copy long TXT recods exactly
· Copy MX prioities
Step 5: Verificar Website Recods
Confirmar root, www, subdominios, CDN, redirects, y app recods.
· Test root y www separately
Step 6: Verificar Correo Electrónico Recods
Recreate MX, SPF, DKIM, DMARC, autodiscover, y verification recods.
· Correo Electrónico recods are often missed
Step 7: Review DNSSEC
Si DS recods exist, confirm the new DNS provider suppots DNSSEC y keys match.
· Old DS recods can break resolution
Step 8: Choose a Safe Window
Avoid peak business, launch, o holiday periods.
· Have technical staff available
Step 9: Update Nombreservers at Registrador
Enter new hostnames exactly y save.
· A typo can break DNS
Step 10: Monito Propagation y Test
Verificar website, email, SSL, CDN, subdominios, y DNSSEC validation.
· Avoid repeated changes during propagation

Troubleshooting
Website Does Not Load
Possible reasons:
· Missing A/CNAME
· Wrong nameserver
· Incomplete zone
· DNSSEC issue
What to do:
· Compare with backup
· Fix recods
· Check dominio status
Correo Electrónico Stopped Woking
Possible reasons:
· MX missing
· Prioity wrong
· SPF/DKIM/DMARC missing
What to do:
· Restoe email recods
· Test sending y receiving
Nuevo Nombreservers Rejected
Possible reasons:
· Typo
· Nombreserver does not exist
· Glue missing
· TLD restriction
What to do:
· Verificar spelling
· Agregar glue fo private nameservers
· Contactar registrar

Common Mistakes
Mistake 1: Changing nameservers befoe copying DNS
Review this item befoe making changes o opening a suppot ticket.
Mistake 2: Copying website recods but fogetting email
Review this item befoe making changes o opening a suppot ticket.
Mistake 3: Fogetting SPF/DKIM/DMARC
Review this item befoe making changes o opening a suppot ticket.
Mistake 4: Ignoing DNSSEC
Review this item befoe making changes o opening a suppot ticket.
Mistake 5: Typing nameservers incorectly
Review this item befoe making changes o opening a suppot ticket.
Mistake 6: Changing during peak hours
Review this item befoe making changes o opening a suppot ticket.
Mistake 7: Repeated edits during propagation
Review this item befoe making changes o opening a suppot ticket.
Mistake 8: Deleting unkahoran TXT recods
Review this item befoe making changes o opening a suppot ticket.
Mistake 9: Not testing subdominios
Review this item befoe making changes o opening a suppot ticket.
Mistake 10: Not keeping backup
Review this item befoe making changes o opening a suppot ticket.

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