The Domain Name System

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The Domain Name System (DNS) is a hierarchical naming system for computers, services, or any other resources connected to the Internet.

DNS components

  • Domains: A domain is a logical group of computers in a large network
  • 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

Key Concepts

The DNS

Top-Level Domains

Challenges to Stability

Associated Bodies

ICANN exists to "facilitate the openness, interoperability, resilience, security and/or stability" of the Domain Name System (DNS).[1] Although ICANN as a whole is dedicated to the mission of preserving an open, interoperable, resilient, secure, and stable DNS, specific committees, organizations, and entities are directly focused on the technical operation of the DNS:

ICANN Bodies

Other Organizations

References