Domain Name System


The Domain Name System (DNS) is a hierarchical system that translates human-readable domain names (such as into numerical IP addresses (such as that computers use to communicate with one another over the internet. The DNS is like a phone book for the internet, allowing users to access websites using easy-to-remember names rather than a series of numbers. DNS records are maintained by domain name registrars and can be edited to direct a domain name to a specific IP address.

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