Identifying Types of DNS Records

The following list describes the common DNS record types and their use:
  • A (Address) Maps a hostname to an IP address
  • SOA (Start of Authority) Identifies the DNS server responsible for the domain information
  • CNAME (Canonical Name) Provides additional names or aliases for the address record
  • MX (Mail Exchange) Identifies the mail server for the domain
  • SRV (Service) Identifies services such as directory services
  • PTR (Pointer) Maps IP addresses to hostnames
  • NS (Name Server) Identifies other name servers for the domain

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