How a DNS works - Simple Example

by Manoj 2012-04-21 17:44:52

* A User opens a web browser and tries to connect to The operating system not knowing the IP Address for, asks the ISPs DNS Server for this information.

* The ISPs DNS Server does not know this information, so it connects to a Root Server to find out what name server, running somewhere in the world, to know the information about

* The Root Server tells the ISP's DNS Server to contact a particular name server that knows the information about

* The ISPs DNS Server connects to Googles DNS server and asks for the IP Address for

* Googles DNS Server responds to the ISPs DNS server with the appropriate IP Address.

* The ISPs DNS Server tells the Users operating system the IP Address for

* The operating system tells the Web Browser the IP Address for

* The web browser connects and starts communication with

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