BIND - UNIX Name Service
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In UNIX, DNS is implemented by the Berkeley Internet Name
Domain (BIND) software;
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It is a client/server software system;
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The client is called “resolver”; it generates
queries for domain name information that are sent to the
server;
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The server is a daemon called named.
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The domain name is actually an argument used by the local
resolver;
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The resolver is responsible for hiding the distribution of data
among nameservers from the user;
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The resolver is part of the operating system.
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