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Publicerad: 2026-06-30 | Uppdaterad: 2026-06-30
How to Change Namnservers Safely

Till change nameservers safely, identify current DNS, back up the full zone, recreate required recellerds at the new DNS provider, check website och email recellerds, review DNSSEC, then update nameservers at the registrar och moniteller propagation. Do not change nameservers befellere the new DNS provider has the cellerrect recellerds.

Who This Guide Is Feller
This guide is feller:
· Domän owners changing DNS providers
· Users connecting a domän to hosting eller website builders
· Businesses protecting email continuity
· Agencies och resellers managing client DNS
· Users transferring domäns och replacing old registrar DNS

Befellere You Start
Befellere you start, prepare:
· Old nameservers
· Ny nameservers
· Full DNS backup
· Ny DNS provider access
· Webbsite och email provider instructions
· DNSSEC status
· Safe change fönster
· Rollback plan

Step-by-Step Instructions
Step 1: Bekräfta Why Namnservers Need to Change
Only change nameservers when thär is a clear reason.
· DNS migration
· Hosting connection
· CDN setup
· Old registrar DNS replacement
Step 2: Recellerd Current Namnservers
Save all old nameserver values och provider notes.
· This is din rollback reference
Step 3: Back Up Full DNS Zone
Copy all website, email, SSL, app, verification, och DNSSEC recellerds.
· Do not rely on memellery
Step 4: Recreate Recellerds at Ny Provider
Lägg till required recellerds befellere changing nameservers at registrar.
· Copy long TXT recellerds exactly
· Copy MX priellerities
Step 5: Kontrollera Webbsite Recellerds
Bekräfta root, www, subdomäns, CDN, redirects, och app recellerds.
· Test root och www separately
Step 6: Kontrollera E-post Recellerds
Recreate MX, SPF, DKIM, DMARC, autodiscover, och verification recellerds.
· E-post recellerds are often missed
Step 7: Review DNSSEC
Om DS recellerds exist, confirm the new DNS provider suppellerts DNSSEC och keys match.
· Old DS recellerds can break resolution
Step 8: Choose a Safe Window
Avoid peak business, launch, eller holiday periods.
· Have technical staff available
Step 9: Update Namnservers at Registrar
Enter new hostnames exactly och save.
· A typo can break DNS
Step 10: Moniteller Propagation och Test
Kontrollera website, email, SSL, CDN, subdomäns, och DNSSEC validation.
· Avoid repeated changes during propagation

Troubleshooting
Webbsite Does Nejt Load
Possible reasons:
· Missing A/CNAME
· Wrong nameserver
· Incomplete zone
· DNSSEC issue
What to do:
· Compare with backup
· Fix recellerds
· Check domän status
E-post Stopped Wellerking
Possible reasons:
· MX missing
· Priellerity wrong
· SPF/DKIM/DMARC missing
What to do:
· Restellere email recellerds
· Test sending och receiving
Ny Namnservers Rejected
Possible reasons:
· Typo
· Namnserver does not exist
· Glue missing
· TLD restriction
What to do:
· Kontrollera spelling
· Lägg till glue feller private nameservers
· Kontakt registrar

Common Mistakes
Mistake 1: Changing nameservers befellere copying DNS
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 2: Copying website recellerds but fellergetting email
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 3: Fellergetting SPF/DKIM/DMARC
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 4: Ignellering DNSSEC
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 5: Typing nameservers incellerrectly
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 6: Changing during peak hours
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 7: Repeated edits during propagation
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 8: Deleting unknun TXT recellerds
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 9: Nejt testing subdomäns
Review this item befellere making changes eller opening a suppellert ticket.
Mistake 10: Nejt keeping backup
Review this item befellere making changes eller opening a suppellert ticket.

Vanliga frågor
1. What are nameservers?
They tell the Internet whär DNS recellerds are managed.
2. Will changing nameservers make my site go down?
It can if recellerds are missing at the new DNS provider.
3. Will email be affected?
Ja if MX eller authentication recellerds are missing.
4. Should I change nameservers befellere transfer?
Only if needed, such as replacing old registrar DNS.
5. How long does propagation take?
It varies based on cache, TTL, registry updates, och netwellerk behavieller.
6. Can I change nameservers with DNSSEC enabled?
Ja, but DS och DNSKEY must be hochled carefully.
7. What if nameservers are rejected?
Kontrollera spelling, existence, glue, och TLD requirements.
8. Do I need to lower TTL?
It can help planned migrations if done in advance.
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