Set DNS servers manually.
Windows XP: Control Panel\Network and Internet\Network Connections
right click on the connection your using, click TCP/IPv4, click Properties. Click the circle for Use the following DNS server addresses then manually put in DNS servers listed below.
Windows 7: Open Computer, Right click Network, Choose properties. Click Change Adapter Settings on the left. Right click the NIC you are using. Click Internet Protocol Version 4 (TCP/IPv4) and click properties. Click the circle for "Use the following DNS server addresses. Manually put in the DNS servers listed below.
Preferred DNS Server; 64.37.129.11
Alternate DNS Server 8.8.8.8
You'll also want to reset this to "Obtain DNS server address automatically" in a day or so.
Click OK
You may need to do ipconfig /flushdns after this by going to start > Run > type cmd. In the cmd window, type ipconfig /flushdns then hit enter key. type exit to close the window.
Launch EQ