A domain transfer lock is a protective EPP status flag. When set, the registry rejects any request to transfer the domain to a different registrar. In WHOIS and RDAP output it appears as clientTransferProhibited, because the registrar (the client) applied it.
Why it matters
It is a basic defense against unauthorized transfers and some forms of domain theft, and it is normally enabled by default. It does not stop DNS changes, so it does not protect the records themselves. A stronger option offered for some TLDs is registry lock, which sets serverTransferProhibited and requires out-of-band verification with the registry before changes. Remember that new registrations and recent transfers may also face a separate waiting period under registry or ICANN policy, regardless of the lock.
Example
$ whois example.com | grep -i "Domain Status"
Domain Status: clientTransferProhibited
Domain Status: clientDeleteProhibited
To move the domain, unlock it in your registrar panel, obtain the auth code and start the transfer.
Common mistakes
- Thinking the lock protects your DNS records.
- Leaving a domain unlocked after a transfer attempt is abandoned.
- Confusing client locks with registry locks.
Related
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