Difference between revisions of "Domain Name System"
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== See also == | == See also == | ||
| + | * [[DNS hijacking]] | ||
* [[DNS hosting service]] - an [[Internet hosting service]] that runs Domain Name System servers. | * [[DNS hosting service]] - an [[Internet hosting service]] that runs Domain Name System servers. | ||
| + | * [[DNS zone]] | ||
* [[Domain name]] - an identification string that defines a realm of administrative autonomy, authority or control within the [[Internet]]. | * [[Domain name]] - an identification string that defines a realm of administrative autonomy, authority or control within the [[Internet]]. | ||
* [[Domain name registrar]] - an organization or commercial entity that manages the reservation of Internet [[Domain name|domain names]]. | * [[Domain name registrar]] - an organization or commercial entity that manages the reservation of Internet [[Domain name|domain names]]. | ||
| − | * [[Fully qualified domain name]] - a [[domain name]] that specifies its exact location in the tree hierarchy of the | + | * [[Fully qualified domain name]] - a [[domain name]] that specifies its exact location in the tree hierarchy of the Domain Name System (DNS). |
* [[Internet]] | * [[Internet]] | ||
* [[Internet hosting service]] - a service that runs servers on the [[Internet]], allowing organizations and individuals to serve content to the Internet. | * [[Internet hosting service]] - a service that runs servers on the [[Internet]], allowing organizations and individuals to serve content to the Internet. | ||
Latest revision as of 08:03, 2 December 2016
The Domain Name System (DNS) is a hierarchical distributed naming system for computers, services, or any resource connected to the Internet or a private network.
Description
The DNS associates various information with domain names assigned to each of the participating entities.
Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.
The Domain Name System is an essential component of the functionality of most Internet services because it is the Internet's primary directory service.
The Domain Name System distributes the responsibility of assigning domain names and mapping those names to IP addresses by designating authoritative name servers for each domain.
Authoritative name servers are assigned to be responsible for their supported domains, and may delegate authority over sub-domains to other name servers. This mechanism provides distributed and fault tolerant service and was designed to avoid the need for a single central database.
See also
- DNS hijacking
- DNS hosting service - an Internet hosting service that runs Domain Name System servers.
- DNS zone
- Domain name - an identification string that defines a realm of administrative autonomy, authority or control within the Internet.
- Domain name registrar - an organization or commercial entity that manages the reservation of Internet domain names.
- Fully qualified domain name - a domain name that specifies its exact location in the tree hierarchy of the Domain Name System (DNS).
- Internet
- Internet hosting service - a service that runs servers on the Internet, allowing organizations and individuals to serve content to the Internet.
- IP address
- Node (computer science)
- Same-origin policy
- Server (computing)
- Top-level domain - one of the domains at the highest level in the hierarchical Domain Name System of the Internet.
- Web server
- World Wide Web
External links
- Domain Name System @ Wikipedia
