1. Log in to your account at ClouDNS.
2. Click on the e-mail link on top of the page in order to access your profile settings.
3. In section Change your e-mail type in your new e-mail address in both fields (New e-mail and Verify e-mail).
4. Type in your account's password and click on CHANGE.Once you click on CHANGE, two confirmation e-mails will be send - one to your old e-mail address and one to your new. For a successful e-mail change, you have to confirm in both e-mails. Once you do it, you may login to your profile with your new e-mail address.