Skip to content

DNS

DNS [Domain Name System] types

  • DNS Port 53

    • (rfc8499 - DNS Terminology)[https://datatracker.ietf.org/doc/html/rfc8499]
    • (rfc1035 - DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION)[https://datatracker.ietf.org/doc/html/rfc1035]
    • (rfc1034 - DOMAIN NAMES - CONCEPTS AND FACILITIES)[https://datatracker.ietf.org/doc/html/rfc1034]
  • DNS over HTTPS (doh) Port 853

    • (rfc8484)[https://datatracker.ietf.org/doc/html/rfc8484]
  • DNS over TLS (dot)

    • (rfc7858)[https://datatracker.ietf.org/doc/html/rfc7858]
  • DNS over TLS and DNS over DTLS

    • (rfc8310)[https://datatracker.ietf.org/doc/html/rfc8310]
  • DNSSEC (DNS Security Extensions)

    • (rfc9364) [https://datatracker.ietf.org/doc/html/rfc9364]

How DNS Works - high level

high level dns

How DNS Works - lower level

lower level dns - click to open PDF in new tab

Root Server Names

dns_Root_Server_Names.jpg