[mentes]

Your NS are not right configured.

You can check that:

www.intodns.com/cheapantivirus.me

or

dig ns cheapantivirus.me

or
http://reports.internic.net/cgi/whoi...ype=nameserver

Paste here your dns configuration in ISPConfig

Do you use virtualization (OpenVZ) ? If no, you can forget this step.