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List of DNS record types

A graphical overview of all active DNS record types

This list of DNS record types is an overview of resource records (RRs) permissible in zone files of the Domain Name System (DNS). It also contains pseudo-RRs.

Resource records

Other types and pseudo-RRs

Other types of records simply provide some types of information (for example, an HINFO record gives a description of the type of computer/OS a host uses), or others return data used in experimental features. The "type" field is also used in the protocol for various operations.

Obsolete record types

Progress has rendered some of the originally defined record-types obsolete. Of the records listed at IANA, some have limited use, for various reasons. Some are marked obsolete in the list, some are for very obscure services, some are for older versions of services, and some have special notes saying they are "not right".

References

  1. ^ a b c d e f g h i Paul Mockapetris (November 1987). "RFC 1035: Domain Names - Implementation and Specification". Network Working Group of the IETF (Internet Engineering Task Force). p. 12.
  2. ^ "RFC 3596: DNS Extensions to Support IP Version 6". The Internet Society. October 2003. Archived from the original on 14 April 2021.
  3. ^ RFC 2535, §3
  4. ^ RFC 3445, §1. "The KEY RR was defined in RFC 2930..."
  5. ^ RFC 2931, §2.4. "SIG(0) on the other hand, uses public key authentication, where the public keys are stored in DNS as KEY RRs and a private key is stored at the signer."
  6. ^ RFC 3445, §1. "DNSSEC will be the only allowable sub-type for the KEY RR..."
  7. ^ a b c RFC 3755, §3. "DNSKEY will be the replacement for KEY, with the mnemonic indicating that these keys are not for application use, per RFC3445. RRSIG (Resource Record SIGnature) will replace SIG, and NSEC (Next SECure) will replace NXT. These new types completely replace the old types, except that SIG(0) RFC2931 and TKEY RFC2930 will continue to use SIG and KEY."
  8. ^ RFC 4025, Abstract. "This record replaces the functionality of the sub-type #4 of the KEY Resource Record, which has been obsoleted by RFC 3445."
  9. ^ Hoffman, P.; Schlyter, J. (May 2017). "RFC 8162 - Using Secure DNS to Associate Certificates with Domain Names for S/MIME". Internet Engineering Task Force. doi:10.17487/RFC8162. Retrieved 17 October 2018.
  10. ^ "Domain Name System (DNS) Parameters". Internet Assigned Numbers Authority. September 2018. Retrieved 17 October 2018.
  11. ^ The minimum field of SOA record is redefined to be the TTL of NXDOMAIN reply in RFC 2308.
  12. ^ RFC 2930, §6. "... the keying material is sent within the key data field of a TKEY RR encrypted under the public key in an accompanying KEY RR RFC 2535."
  13. ^ RFC 2845, abstract
  14. ^ J. Abley, Afilias, O. Gudmundsson, M. Majkowski, Cloudflare Inc., E. Hunt, ISC (January 2019). "RFC 8482: Providing Minimal-Sized Responses to DNS Queries That Have QTYPE=ANY". Ietf Datatracker. Internet Engineering Task Force.{{cite news}}: CS1 maint: multiple names: authors list (link)
  15. ^ "What happened next: the deprecation of ANY". Cloudflare. 16 March 2019. Retrieved 19 September 2021.
  16. ^ RFC 1123 sections 2.2, 5.2.12, 6.1.3.6
  17. ^ "What happened next: the deprecation of ANY". Cloudflare. 13 April 2016. Retrieved 9 March 2019.
  18. ^ "ATM Name System, V2.0" (PDF). ATM Forum Technical Committee. July 2000. Archived from the original (PDF) on 2019-03-14. Retrieved 14 March 2019.
  19. ^ Kucherawy, M. (July 2012). "Background on the RRTYPE Issue". Resolution of the Sender Policy Framework (SPF) and Sender ID Experiments. IETF. sec. A. doi:10.17487/RFC6686. RFC 6686. Retrieved August 31, 2013.
  20. ^ Kitterman, S. (April 2014). "The SPF DNS Record Type". Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1. IETF. sec. 3.1. doi:10.17487/RFC7208. RFC 7208. Retrieved 26 April 2014.
  21. ^ Reid, Jim (4 July 2008). "draft-reid-dnsext-zs-01 - The Zone Status (ZS) DNS Resource Record". Ietf Datatracker. IETF. Retrieved 9 March 2019.
  22. ^ Reid, Jim; Schlyter, Jakob; Timms, Ben (4 July 2008). "draft-reid-dnsext-rkey-00 - The RKEY DNS Resource Record". Ietf Datatracker. IETF. Retrieved 9 March 2019.

Further reading