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)