You can do this through the account panel located at http://x10hosting.com/control
How do I change my domain after entering the control panelCan you clarify what you are saying? I do not fully understand.
thaaaaaaaaanksHosting->modify
type in your domain.
save settings.
I tried more than this is not Menna A WhiteTry again later .You can also Park your domain. So you can use both the x10 subdomain and co.cc domain