Using My Account and My Site Even Though My Domain Name Has not propagated.
Until the domain name has propagated users can only access their hosting control panel and webmail by means of a temporary URL consisting of a server IP address and the port. This information is provided by the hosting company on domain registration.
Temporary URL is used when the domain is not working. The actual site URL is found in the email your hosting company sends. This is the format of the temporary URL that is used to access the cpanel