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The Domain Name System (DNS) is a directory of translations between human readable domain names (such as google.com or amazon.com), and IP Addresses (IP Addresses) There are 4 operations that are required to load a webpage. The root nameserver contains information that makes up the root zone, which is the global list of top level domains. The authoritative DNS server is responsible for the IP “mapping” of the intended website. The Recurser is a server designed to receive queries from clients. It will act as a middleman between the client and the DNS nameserver.