[AWS Architect] (8) DNS

Domain Name System (DNS)

DNS is a process of mapping a human-friendly domain name to an IP address.

  • DNS Root Servers: A group of servers to answer the root zone. Top Level Domains (TLDs) are controlled by the root zone database – Internet Assigned Numbers Authority (IANA).
  • Domain Registrars: All domain names must be unique. A registrar is an authority that can assign domain names to top-level domains and ensure its uniqueness. Each domain name becomes registered in a central database (WhoIS server).
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