Domain Name System


Topic | v1 | created by jjones |
Description

The 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 providing a worldwide, distributed directory service, the Domain Name System has been an essential component of the functionality of the Internet since 1985. The Domain Name System delegates the responsibility of assigning domain names and mapping those names to Internet resources by designating authoritative name servers for each domain. Network administrators may delegate authority over sub-domains of their allocated name space to other name servers.


Relations

parent of Fully qualified domain name

A fully qualified domain name (FQDN), sometimes also referred to as an absolute domain name, is a dom...

subtopic of World Wide Web

The World Wide Web (WWW), commonly known as the Web, is an information system where documents and oth...


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