What is Domain Name System (DNS) in Networking
Networking , Technology & Science / March 8, 2018

As a critical component of the Internet’s infrastructure, the Domain Name System (DNS) is the translation system that turns an Internet host name (domain name) into the unique series of numbers which constitute an Internet Protocol (IP) address for each specific domain name. The DNS plays a critical role in supporting the Internet infrastructure by providing a distributed and fairly robust mechanism that resolves Internet host names into IP addresses and IP addresses back into host names. The DNS is a critical application for the reliable and trustworthy operation of the Internet. Domain Name System (DNS) enables you to use hierarchical, friendly names to easily locate computers and other resources on an IP network. Overview of Domain Name System (DNS) To send a packet to a remote host over the internet, knowledge of the IP address of that specific host is necessary, similar to the working of the telephone network where a phone number is necessary to reach a specific person. However, remembering the IP addresses of all hosts somebody might want to communicate with is rather difficult. Furthermore one probably want to reach a certain remote application, e.g. a website, regardless of the physical machine this application is running…

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