This answer will explain how to update the admin contact details for a domain name. This is the contact information shown on the WHOIS database. This article is only applicable to Top Level Domain Names.
To change the admin contact for a domain name:
In the Domain names section, select the relevant domain name in the drop-down list and click on the Manage button.
If you are amending contact information for a top level domain name such as .com, .net, .info etc please unlock the domain name first. Then click on the Modify Contact Details link.
Enter your new contact details on the form provided.
Agree to accept the changes.
Click Update Contact Information.
We will now update the admin contact details (sometimes known as the ADMIN-C) for your domain name.