The domain name update prohibition lock service is a value-added domain name service that locks your domain name and protects your domain name registration information (WHOIS information including contact, address, phone number, email address, and DNS information of domain names) against unauthorized modification or tampering.

The update prohibition lock service is an effective method to protect registration information of domain names. We recommend that you use this service to make sure your business security.


Follow the following procedures to enable the update prohibition lock.

  1. Log on to the Domains console.
  2. Locate the domain name that you want to lock, and then click Manage.
  3. On the Basic Information page, click Proxy and Security from the left-side navigation pane.
  4. Enable or disable the Update prohibition lock service.