DNS

Hi

I am having trouble with a small network setup, I have a windows 2003 server and 2 windows xp pro clients, I have setup the broadband router (dlink g604t) i am only able to get the broadband to work properly if i use the dhcp on the router, i cant get it to work with dhcp from the server or manually configured ip’s, that is not really a problem, however network logon now takes around five minutes, i presume because the clients do not see the 2003 server as a dns server, they are looking to the router/internet first

any suggestions would be appreciated, either to setup some sort of lookup zone on the server and change the dns settings on each machine or whether i can setup some sort of dns forward on the router for internal addresses

many thanks