Originally Posted by Mantelope
It's not surprising that another computer on the same connection would give the same error, you're probably getting your DNS servers from your ISP. If you've got a router or anything like that, the easiest thing to do is set the DNS servers in there to OpenDNS's servers (126.96.36.199 and 188.8.131.52). That way you'll never have to configure a computer on your network, they'll get the servers from the router.
No router since it's only dialup out here
OpenDNS seems to have fixed the problem!
ALL PRAISE THE LISA!