OK for those asked abt how to change the DNS server. Here are the steps in Windows XP. (It should be roughly the same for other Microsoft OS).
Go to your network setting in Control Panel,
1) Select your network
2) Goto Properties
3) Check IP/TCP
4) Click on "Use the following DNS server addresses
5) Type 126.96.36.199 for first one and 188.8.131.52 for second one..