Add a domain name to your vps

[SuperRoach]

I'm having trouble adding a domain name to my vps, where the settings are not correct. I think it may be the name server not resolving correctly.

Anyway while trying to sort that out, I found a bunch of guides running through how to do it:

Diagnosing what's wrong:
9 Tips to diagnose remote GNU/Linux server network connectivity issues

Old but good guide
Setting up a DNS server using BIND and Webmin

Overview
Use Webmin for Linux Administration, Parts 1 and 2 [Server Side Essentials]