root@cpanel [~]# /scripts/createacct google.com googleyo aslkd8as7d@$
+===================================+
| New Account Info                  |
+===================================+
| Domain: google.com
| UserName: googleyo
| PassWord: aslkd8as7d@$
+===================================+

This ok? y
(XID mktsdb) The system cannot create the common domain “google.com”. You must choose a different domain name.