You can check all details register during the cpanel/WHM creation of account. This a Perl script which is supposed to be used under bash shell on cpanel/WHM servers only
You can use it with domain name or username, the output will give you the following information:
Plan : (cpanel package)
Owner : (root,reseller)
Date :
Email : (account email) ,
IP : (IP address in use - shared, dedicated)
Home : (/home/username)
User : username
Status : (Active, Suspended)
Domains : (all domains, subdomains, parked domains, addon domains and their paths)