What is DNS?

The Domain Name System (DNS) is the phonebook of the Internet. Humans access information online through domain names, like bestknownhost.com or espn.com. Web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to IP addresses so browsers can load Internet resources. 

Each device connected to the Internet has a unique IP address that other machines use to find the device. DNS servers eliminate the need for humans to memorize IP addresses such as 104.131.167.81. 

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