Microsoft KB Archive/174224

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Description of Domain Name System (DNS)

Article ID: 174224

Article Last Modified on 8/15/2007


  • Microsoft Windows NT Server 4.0 Standard Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows 95
  • MSN 8 Internet Service
  • MSN 7 Software
  • MSN 7 Software
  • MSN 5.6 Software
  • MSN 5.5 Software

This article was previously published under Q174224


This article describes the Domain Name System (DNS) and its major components.


DNS is the name service for Internet addresses that translates friendly domain names to numeric Internet Protocol (IP) addresses. For example, "" translates to

DNS consists of the following components:

  • Domains: A domain is a logical group of computers in a large network. Access to each computer in a given group is controlled by the same server.
  • Distributed Database: A distributed database is an archive of information about the computers in a network.
  • Name Servers: A name server contains address information about other computers on the network. This information can be given to client computers that make a request to the name server.
  • Clients: A client requests information from the servers. In a domain name system, the client requests network addressing information from the name servers.
  • Resolver: A resolver provides clients with address information about other computers on the network.

Keywords: kbinfo kbnetwork KB174224