Login to your account panel http://x10hosting.com/control/login.php and check whether there is any suspension.You can also reset your cpanel password there
Login to your account panel http://x10hosting.com/control/login.php and check whether you can unsuspend yourself(applicable only for 1 & 2nd suspension). If not post back here.
You can access your cpanel using yourdomain.com:2082/ or
http://lotus.x10hosting.com:2082/
It may be unavailable due to some upgradation of servers http://x10hosting.com/forums/news-announcements/115601-updates-upgrades-etc.html
Our servers are under migration.So the error might be due to that.Try again later to unsuspend.
Then post back the results
http://x10hosting.com/forums/news-announcements/115601-updates-upgrades-etc.html
If you are Using A records then you should change it.Before that verify whether your account is successfully moved to new server.Just ping the x10 subdomain