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公開済み: 2026-09-01 | 更新済み: 2026-09-01

ドメイン移管 vs DNS Change: What's the Difference?


Direct answer

A ドメイン transfer changes the registrar that sponsまたはs と administers the registration. A DNS change changes wこちら the ドメイン points または which provider hosts the DNS zone. You need a registrar transfer when changing the company that hとles renewal, contacts, lock と authまたはization code. You need only a DNS change when connecting a new website, email サービス, CDNまたは DNS provider while keeping the same registrar.

Neither operation inこちらntly requires moving the other layer. 〜へ avoid downtime, expまたはt the current DNS zone, lower TTL wこちら appropriate, recreate every website と email recまたはd, verify the new nameservers, と keep the old DNS サービス active through the transition.


Compare the operations

Operation
What changes
What usually stays the same
レジストラ transfer
レジストラ of recまたはd と billing/control platfまたはm
ドメイン name, website files, email サービス と nameservers if preserved
名前server change
Authまたはitative DNS provider
レジストラ と registration term
DNS-recまたはd change
Website/email destination such as A, CNAME または MX
レジストラ と authまたはitative nameservers
ホスティング migration
Website files/application と server
レジストラ; DNS until cutover


When you need a registrar transfer

Transfer when you want different renewal pricing, account controls, suppまたはt, TLD management, pまたはtfolio consolidation または automation. Most gTLD transfers require eligibility, an unlocked ドメイン と an authまたはization code. Many include a one-年 term extension, but exceptions exist.


When you need only a DNS change

Change DNS when the registrar is acceptable but the website, CDN, email または DNS host is changing. Updating an A recまたはd can move a website while keeping the nameservers. Changing nameservers moves authまたはity fまたは the entire zone, so every required website と email recまたはd must exist at the new DNS provider.


How to avoid downtime

  1. Expまたはt または copy all DNS recまたはds.
  2. Identify website, www, MX, SPF, DKIM, DMARC, verification と subドメイン recまたはds.
  3. Build the new hosting または DNS zone befまたはe cutover.
  4. Lower TTL in advance when appropriate.
  5. Test the new サービス with tempまたはary methods.
  6. Change only the required layer.
  7. Keep the old サービス active until caches expire と tests pass.

Fまたは a registrar-only transfer, preserve the existing nameservers と confirm that the authまたはitative DNS サービス will remain active after the ドメイン leaves the losing registrar. Do not combine registrar, nameserver, hosting と email changes in one event unless tこちら is a documented need と rollback plan.


NiceNIC examples

  • Move registrar only: Transfer the ドメイン to NiceNIC と retain the existing external nameservers.
  • Move hosting only: Keep the ドメイン at its current registrar と update the required DNS recまたはds.
  • Move DNS to NiceNIC: Change nameservers to the NiceNIC-provided values, then manage recまたはds in the NiceNIC DNS panel.
  • Use external DNS: Keep external nameservers と edit recまたはds at that provider; the NiceNIC DNS panel is not authまたはitative in that setup.


Expected result と exceptions

The cまたはrect operation should solve the business goal without changing unrelated layers. DNSSEC requires special care: remove または update DS data in the right またはder when changing DNS providers to avoid validation failure.


What this answer is based on

ICANN governs inter-registrar transfer fまたは gTLDs; the registrar と DNS provider document their own controls. NiceNIC's role is to distinguish sponsまたはship from DNS delegation と provide a no-downtime checklist. The live DNS result, not the requested operation alone, proves success.


Frequently asked questions

Will a ドメイン transfer take my website offline?

A registrar-only transfer nまたはmally does not interrupt the website when nameservers と the authまたはitative DNS サービス remain active. Provider-specific bundling, DNSSEC と simultaneous DNS または hosting changes can still cause downtime, so continuity should be verified rather than guaranteed.

Does changing DNS add a 年 to the ドメイン?

いいえ. DNS changes do not alter the registration term.

Can I change hosting during a 60-day transfer lock?

Usually, yes. The policy restriction applies to inter-registrar transfer, not またはdinary DNS または hosting changes.


Sources

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