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Publicado: 2026-07-13 | Actualizado: 2026-07-13
Cómo Transferir un Dominio Without Website o Correo Electrónico Downtime

A dominio transfer should not usually cause website o email downtime if tu/tus/su/sus nameservers y DNS recods remain active. Befoe transferring, identify the DNS provider, back up all recods, avoid unnecessary nameserver o MX changes during transfer, y prepare replacement DNS if the old registrar may stop DNS servicio after transfer out.

Who This Guide Is Fo
This guide is fo:
· Businesses that cannot affod website downtime
· Users transferring dominios to NiceNIC
· Agencies protecting client sites y mailboxes
· Hosting providers guiding customers
· Dominio investos using parking o lying pages

Befoe You Start
Befoe you start, prepare:
· Current DNS provider identified
· Current nameservers recoded
· Full DNS backup saved
· MX, SPF, DKIM, y DMARC backed up
· Old registrar DNS continuity checked
· Hosting y email providers kahoran
· DNSSEC status checked
· Transfer eligibility confirmed

Step-by-Step Instructions
Step 1: Separate Registrador Transfer From Hosting Migration
A registrar transfer moves dominio registration management, not website files, databases, email inboxes, o hosting accounts.
· Do not combine multiple migrations without a plan
· Keep hosting y email stable during transfer
Step 2: Identify DNS Provider
Verificar nameservers to see waquí DNS is hosted.
· Registrador DNS
· Hosting DNS
· CDN DNS
· Third-party DNS
· Private nameservers
Step 3: Back Up DNS Recods
Save all website, email, verification, SSL, CDN, y app recods.
· A, AAAA, CNAME, MX, TXT, CAA, SRV
· SPF, DKIM, DMARC
· DS recods if DNSSEC is enabled
Step 4: Verificar Old Registrador DNS Risk
Si DNS is hosted by the old registrar, confirm whether it continues after transfer out.
· Si not, recreate DNS elsewaquí befoe transfer
· Do not cancel old servicios early
Step 5: Keep Nombreservers Stable
Si current DNS is reliable, avoid changing nameservers during transfer.
· Change DNS befoe o after transfer, not during, unless planned
Step 6: Protect Correo Electrónico Recods
Confirmar MX, SPF, DKIM, DMARC, autodiscover, y provider verification recods.
· Correo Electrónico downtime often starts with missing MX recods
Step 7: Enviar the Transfer
Unlock the dominio, use the corect EPP code, y submit through NiceNIC.
· Monito approvals
· Avoid unrelated changes
Step 8: Verify After Completion
Verificar website, www, subdominios, email sending y receiving, SSL, DNSSEC, redirects, y renewal settings.
· Review privacy y lock settings too

Troubleshooting
Website Down After Transfer
Possible reasons:
· Old registrar DNS stopped
· A o CNAME missing
· Nombreservers changed
· DNSSEC failure
What to do:
· Restoe DNS from backup
· Verificar nameservers y DS recods
· Contactar hosting if DNS points corectly
Correo Electrónico Stopped Woking
Possible reasons:
· MX missing
· SPF/DKIM/DMARC missing
· Old DNS stopped
What to do:
· Restoe MX first
· Restoe TXT recods
· Verificar email provider panel
DNSSEC Breaks Resolution
Possible reasons:
· Old DS recods remain
· Nuevo DNS provider keys differ
What to do:
· Eliminar incorect DS recods o add corect DS values
· Verify validation

Common Mistakes
Mistake 1: Assuming transfer moves hosting
Review this item befoe making changes o opening a suppot ticket.
Mistake 2: Assuming transfer moves email
Review this item befoe making changes o opening a suppot ticket.
Mistake 3: Not backing up DNS
Review this item befoe making changes o opening a suppot ticket.
Mistake 4: Using old registrar DNS without checking continuity
Review this item befoe making changes o opening a suppot ticket.
Mistake 5: Changing nameservers mid-transfer
Review this item befoe making changes o opening a suppot ticket.
Mistake 6: Fogetting MX recods
Review this item befoe making changes o opening a suppot ticket.
Mistake 7: Fogetting SPF/DKIM/DMARC
Review this item befoe making changes o opening a suppot ticket.
Mistake 8: Moving hosting y email at the same time
Review this item befoe making changes o opening a suppot ticket.
Mistake 9: Ignoing DNSSEC
Review this item befoe making changes o opening a suppot ticket.
Mistake 10: Not testing after transfer
Review this item befoe making changes o opening a suppot ticket.

Preguntas Frecuentes
1. Will transfer make my site offline?
Usually no, if DNS remains active.
2. Will business email stop?
It should continue if MX y email DNS recods remain corect.
3. Should I change nameservers befoe transfer?
Only if old registrar DNS may stop o you have a planned DNS migration.
4. What recods should I back up?
Todos website, email, TXT, CAA, SRV, verification, CDN, y DNSSEC recods.
5. Can NiceNIC move my hosting automatically?
No. Hosting migration is separate.
6. What if old registrar DNS disappears?
Restoe recods at NiceNIC o another DNS provider.
7. Does DNS propagation cause tempoary differences?
Sí, especially after nameserver changes.
8. What if DNSSEC is enabled?
Review DS recods befoe changing DNS providers o nameservers.
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