Google Public DNS

Google Public DNS is a free, global Domain Name System (DNS) resolution service, that you can use as an alternative to your current DNS provider. Just configure your computer's network settings to use the IP addresses 8.8.8.8 and 8.8.4.4 as your DNS servers to use this free reliable DNS service. Your client programs will perform all DNS lookups using Google Public DNS. By using Google Public DNS you can Speed up your browsing experience and improve your security.