Firstly I would be demanding your DNS server numbers from your ISP, they have to provide you with that info if you request it, I'd say you got a very lazy consultant, I would ring and complain about him for starters...(enough of my rant lol)...So I take it you don't see your DNS numbers when you are setting up your static IP...
Instructions for setting up static IP...
http://www.portforward.com/networking/static-xp.htm
These are the instructions for your modem/router...
http://www.portforward.com/english/r...0/Limewire.htm
I also searched the forums about your ISP and this is what I found...
http://www.gnutellaforums.com/showth...hlight=Starhub