Isn't that just a bit of unwarrented advertising again - I think Godaddy do their own instructions fine - as above http://help.godaddy.com/article.php?...id=GoDaddy&isc=
everyyyyy registar allows you to create Nameservers. Its there.
We would recommend you to upgrade your package to a dedicated server.A regular hosting plan does not support reverse mapping.
A regular hosting plan does not support reverse mapping