i keep getting the “cannot find server” message for the URLs www.lnexun.com and www.exunclan.com .

In case someone wants to diagnose it, i am pasting the error message below

Technical Information (for support personnel)
Error Code 11004: Host not found
Background: This error indicates that the gateway could not find the IP address of the website you are trying to access, possibly due to lack of information in the DNS server.
Date: 9/23/2005 5:46:02 AM
Server: aps-prxy-03.southpacific.corp.microsoft.com
Source: DNS error