You were suspended for filling 44% of the /tmp partition. I'm sure Krydos knows what this is about in case your not sure why it's happening. I'll escalate this to him and I've went ahead an unsuspended your account.
I'm not seeing a dns entry for it. It may have gotten deleted by accident. Krydos said something about cleaning up a bunch of dead dns zones. Can you delete the addon domain at your cpanel and then re-create it?