DNS - Domain Name Service (7)

• Standard resource records

  • A Address, converts hostname to an address
  • MX Mail Exchanger, IP addresses of any relevant mail server
  • PRT Pointer, converts address to a hostname
  • NS Name Server, identifies a domain’s name server
  • CNAME Canonical NAME, defines an alias hostname
  • HINFO Host INFO, describes hardware and operating system
  • SOA Start Of Authority, marks the beginning of a zone’s data, and defines parameters that affect the entire zone

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