Quote Originally Posted by silencio
NO! You don't have to reinstall. 1) Delete the dot zone in your DNS zones 2) Make sure your machine is pointing to itself for DNS resolution 3) reboot the machine.

If you do this, a short while after reboot you'll see a) root hints populated b) the correct domain relevent DNS entries in your local domain zone c) your server will resolve any external queries. In a nutshell, the machine will configure itself it's it's pointing to itself and you delete the dot that makes it authoratative for the world.
The bold in your quote, please go into more detail there, I have a limited understanding here, and want to clear it up...