Registrar-Lock

REGISTRAR-LOCK is a status code that can be set on an Internet domain name by the sponsoring registrar of the domain name.[1][2] This is usually done in order to prevent unauthorized, unwanted or accidental changes to the domain name.

When set, the following actions are prohibited by the domain name registry:

  • Modification of the domain name, including:
    • Transferring of the domain name
    • Deletion of the domain name
  • Modification of the domain contact details

Renewal of the domain name is, however, still possible when REGISTRAR-LOCK is set.

Not all Top-level domains (TLDs) support REGISTRAR-LOCK,[3] e.g. .org.uk, and others.

The .ca TLD added support for REGISTRAR-LOCK in October 2010.

RFC 2832, section 6, and RFC 3632, section 2.1, lists the different status codes and their descriptions.

See also

References
  1. RFC 2832 - NSI Registry Registrar Protocol (RRP) Version 1.1.0
  2. RFC 3632 - VeriSign Registry Registrar Protocol (RRP) Version 2.0.0
  3. "Does Your Domain Have a Registry Lock? – Krebs on Security". 24 January 2020. Retrieved 2022-06-16.
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