What Does The Domain Name System Do?
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The Domain Name System (DNS) is the technology that translates between human–readable domain names and the numerical IP addresses used by computers to connect to the Internet. DNS is the core of the internet, connecting websites to the proper IP addresses and keeping network traffic organized. This system allows users to find websites and other network resources given a domain name instead of a numerical IP address. It also provides important information about email networks, such as which mail servers should be used to send and receive messages.