Friday, January 8, 2010

Changing your Domain Name System (DNS) to Open DNS or Google Public DNS

Most computer users use the default Domain Name System (DNS) that is provided by their Internet Service Provider (ISP). A Domain Name System is a network service that converts a web address (e.g., http://www.anyname.com/) into its numerical equivalent (e.g., 123.345.567.789).

If you are dissatisfied with your ISP's DNS, you can define your own DNS either in your router's configuration screen or in your operating system's network preference. The two principal public DNS service that are widely used are:
Open DNS's IP addresses are:
  • 208.67.222.222
  • 208.67.220.220
Note: You do not need to sign up for an Open DNS account if you only want to use the basic Open DNS without additional services. You only need to enter the above two DNS IP addresses into your router's or your OS's network configuration.

Google DNS's IP addresses are:
  • 8.8.8.8
  • 8.8.4.4
Don't know how to change your DNS server? Google has easy to understand instructions. If you plan to use Open DNS's servers, use the two Open DNS's numerical IP addresses instead of Google's IP addresses.

2 comments:

  1. I never knew how easy (well somewhat easy) it is to change over my DNS server. The link was definitely handy. Thanks!

    Alex

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  2. Cool, but how does your ISP assigned IP affect this? My ISP uses dynamic IP's and it cahnges every time I power down my modem. Does that mean the DNS also changes?

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