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1 definition found
 for Domain Name System
From The Free On-line Dictionary of Computing (30 December 2018) :

  Domain Name System
  name service switching
      (DNS) A general-purpose distributed, replicated,
     data query service chiefly used on Internet for translating
     hostnames into Internet addresses.  Also, the style of
     hostname used on the Internet, though such a name is
     properly called a fully qualified domain name.  DNS can be
     configured to use a sequence of name servers, based on the
     domains in the name being looked for, until a match is found.
     The name resolution client (e.g. Unix's gethostbyname()
     library function) can be configured to search for host
     information in the following order: first in the local hosts
     file, second in NIS and third in DNS.  This sequencing of
     Naming Services is sometimes called "name service switching".
     Under Solaris is configured in the file /etc/nsswitch.conf.
     DNS can be queried interactively using the command nslookup.
     It is defined in STD 13, RFC 1034, RFC 1035, RFC 1591.
     BIND is a common DNS server.
     Info from Virtual Office, Inc.

Contact=webmaster@dict.org Specification=RFC 2229