Change your domain registration WHOIS Contact Information
If your domain is registered through Acenet, please follow these instructions to update your whois contact information.
[1] Login to your Client Area
[2] Click the "Domains" tab (top menu bar), and Click on "My Domains"
[3] Click the "Manage Domain" tab next to the domain name you wish to update, and Click on "Edit Contact Information"
You may enter any contact information of your choosing. Please note that Verification Email is send out the current registrant email address for verifying the updates. It may take several hours before the changes propagate the internet and appear online.
For .UK domains, all WHOIS information would need to be changed through Nominet (www.nominet.org.uk). Here is Nominet's link on how the registrant correction procedure works:
http://www.nominet.org.uk/uk-domain-names/manage-your-domain/transfer/transfers-dissolved-companies