DNS (Domain Name Servers) serves as the Internet's phone book: every time you visit a website, your computer performs a DNS lookup just like you would look up a phone book before making a telephone call. The faster the Domain name look ups resolution are, the faster your web pages will load. We have already told you a lot about OpenDNS. In this article we will tell you about the Google's Public DNS service and how to configure it on your system.
DNS speeds are always relative. It is not necessary that since the DNS service is from Google, it will be the fastest. It is quite possible that your ISP will have a faster DNS or may be OpenDNS will have faster DNS look ups than the Google DNS and vice-versa.
Google Public DNS IP addresses
The Google Public DNS IP addresses are:
You can use either or both as your primary or secondary DNS server. For configuring Google DNS on your computer (Windows, Linux, Mac OSX and other operating Systems), you can check this Detailed Instructions Guide. The guide is also available in PDF. Here is a screenshot of how you configure the Google DNS in Windows 7 or Vista.
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