Is your Internet connection giving the best performance? You might have purchased the best available plan but still not satisfied with the speed. Whichever type of internet connection ( DSL, 3G, ADSL, EDGE, Broadband) you are using, there is always a possibility to tweak it.
Domain Name Server (DNS) is a translator that converts the website name to an IP address. When you click on the hyper-link, or enter an address like www.yahoo.com in your browser, the browser sends the name to DNS servers that help route requests to the proper IP address URL. When you configure the ISP's Internet connection is set up to use your ISP's DNS service. However, you are free to use other alternatives. As such, you can use Open DNS or Google Public DNS etc., to replace your ISP's DNS.
Open DNS offers rich content-filtering options for privacy and security of the family. Google Public DNS has been engineered by Google techies for faster performance and better security. However, because of the complex variables involved, there is no single option can be said to be the best for all. So how do you know the DNS is the fastest for you? you can use the NameBench tool, which is a free tool to help you find the fastest DNS for. NameBench is available for Mac OS X, Windows, and UNIX with GUI as well as command line interface.
NameBench hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an individualized recommendation. namebench is completely free and does not modify your system in any way.
After scanning is complete NameBench displays a through report with recommended DNS configuration for you system. Before making DNS changes just note down the settings and apply recommendations given by the this free tool. Apply the new settings and enjoy the Increased Speed.
Download namebench from Google Code