How DNS Works?


DNS = Domain Name System or Service or Server

DNS resolves/maps a Name to an IP address

The diagram below describes the functionality of DNS. It also elaborates on what goes on behind the scenes once you type in a certain URL (Uniform Resource Locator) or a web address in your browser. The whole DNS process is based on the following 2 components:

  • DNS Query (Question)
  • DNS Reply (Answer)

(Click on the Picture Below to Enlarge)

how-dns-works-wm

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  1. #1 by Joseph Albergo on January 14th, 2010

    Sweet… I remember this in class

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