Step 2 : This is the page you will see when logged in the domain management panel
How to change my domain's contact information? To change the contact information you just need to select View & Modify Your Account Information logo present at the left of the panel, in the contact editor window, enter the email address you wish to have has the authorized email contact and press the apply changes when the changes has been processed click on the done to complete the updation . Note: y ou cannot modify the domain owner's First name, Last name and the company name. To modify any one of the three, you need to initiate the Transfer ownership option (See the transfer ownership screen shot
Step 3 : This is the page you will see
owner contact information
Above screen shot shows the owner contact information editor, you can make changes and click on the apply changes button on the bottom of the editor and then done to complete the changes.