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Domain Name System (DNS)

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The Domain Name System (DNS) is a decentralized Naming System for machines in a network. It’s an Application Layer protocol.

  • Namespace: hierarchical and homogenous
  • There are global and local names.
    • Global: FQDN (Fully Qualified Domain Names), e.g.,
    • Local: e.g., localhost
  • Each context is called a domain
  • Each domain is managed by an authority
  • Impure names
  • Recursive and iterative resolution.

Or if you don't know what a response is, you can always write a webmention comment (you don't need to know what that is).