What is DNS?

 DNS is an acronym stands for Domain Name System.

• DNS was introduced by Paul Mockapetris and Jon Postel in 1983.
• It is a naming system for all the resources over the internet which includes physical nodes and applications. It is used to locate to resource easily over a network.
• DNS is an internet which maps the domain names to their associated IP addresses.
• Without DNS, users must know the IP address of the web page that you wanted to access.