Domain Name System - Wikipedia
https://en.wikipedia.org/wiki/Domain_Name_SystemThe Domain Name System (DNS) is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities. Most prominently, it translates more readily memorized domain names to the numerical IP addresses needed for locating and identifying computer services and devices with the underlying network protocols. By providin…
Name server - Wikipedia
https://en.wikipedia.org/wiki/Name_serverA name server refers to the server component of the Domain Name System (DNS), one of the two principal namespaces of the Internet. The most important function of DNS servers is the translation (resolution) of human-memorable domain names (example.com) and hostnames into the corresponding numeric Internet Protocol(IP) addresses (93.184.216.34), the second principal name space of the Internet, which is used to identify and locate computer systems and resources on th…