if your ISP have problem with DNS, you can use public dns for name resolution. Google Public DNS (Recommended) 8.8.8.8 8.8.4.4 http://code.google.com/speed/public-dns/ Level 3 Communications 4.2.2.2 4.2.2.4 4.2.2.6 OpenDNS.com 208.67.222.222 208.67.220.220 To add DNS server, take property of your LAN