What happens if you do a NSLOOKUP from the command prompt
e.g nslookup www.thinkbroadband.com
I'm at work at the moment, but yesterday I believe the ip address was returned correctly.
Another thing I noticed was that ping was losing a lot of packets.
I will do a simple test tonight of resetting my router to factory and only connecting one device to the router to see if the problem persists.
(my kids are experiencing what it's like without the internet - and they don't like it. Just shows how much we rely on this service nowadays)
Edited by geoffsim (Wed 11-Apr-12 10:29:35)