Please Help – hosting problem….

I have domains registered at GoDaddy.com, I am using IIS 5 and trying to host the domains on it….I put my nameservers in the appropriate place in godaddy but there is only room for the names not the ip #’s….so I figured I would have to host my own dns and put the name of the system & it’s ip in the appropriate spot in godaddy yet still nothing….does anyone know what to do in godaddy if your hosting your own url and what to do in IIS as well…thx