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RFC 6891: Extension Mechanisms for DNS (EDNS(0))

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RFC 6891: Extension Mechanisms for DNS (EDNS(0))

Summary

RFC 6891: Extension Mechanisms for DNS (EDNS(0)) is a Request for Comments[1].

Key Facts

  • RFC 6891: Extension Mechanisms for DNS (EDNS(0)) authored Extension Mechanisms for DNS (EDNS(0)) — author (P50): Paul Vixie[2].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s instance of is recorded as Extension Mechanisms for DNS (EDNS(0)) — instance of (P31): Request for Comments[3].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s publisher is recorded as Extension Mechanisms for DNS (EDNS(0)) — publisher (P123): Internet Engineering Task Force[4].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s DOI is recorded as 10.17487/RFC6891[5].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s language of work or name is recorded as Extension Mechanisms for DNS (EDNS(0)) — language of work or name (P407): English[6].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s publication date is recorded as +2013-04-01T00:00:00Z[7].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s RfC ID is recorded as 6891[8].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s work available at URL is recorded as https://tools.ietf.org/html/rfc6891[9].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s work available at URL is recorded as https://tools.ietf.org/rfc/rfc6891.txt[10].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s work available at URL is recorded as https://www.rfc-editor.org/rfc/rfc6891.txt[11].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s work available at URL is recorded as https://www.rfc-editor.org/pdfrfc/rfc6891.txt.pdf[12].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s number of pages is recorded as {'unit': '1', 'amount': '+16'}[13].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s replaces is recorded as Extension Mechanisms for DNS (EDNS(0)) — replaces (P1365): RFC 2671: Extension Mechanisms for DNS (EDNS0)[14].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s replaces is recorded as Extension Mechanisms for DNS (EDNS(0)) — replaces (P1365): RFC 2673: Binary Labels in the Domain Name System[15].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s title is recorded as Extension Mechanisms for DNS (EDNS(0))[16].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s author name string is recorded as J. Damas[17].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s author name string is recorded as M. Graff[18].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 1035: Domain names - implementation and specification[19].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 2119: Key words for use in RFCs to Indicate Requirement Levels[20].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 2671: Extension Mechanisms for DNS (EDNS0)[21].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 3225: Indicating Resolver Support of DNSSEC[22].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 2673: Binary Labels in the Domain Name System[23].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 3363: Representing Internet Protocol version 6 (IPv6) Addresses in the Domain Name System (DNS)[24].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 3364: Tradeoffs in Domain Name System (DNS) Support for Internet Protocol version 6 (IPv6)[25].
  • RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s cites work is recorded as Extension Mechanisms for DNS (EDNS(0)) — cites work (P2860): RFC 5625: DNS Proxy Implementation Guidelines[26].

Body

Designation and Status

RFC 6891: Extension Mechanisms for DNS (EDNS(0))'s instance of is recorded as Extension Mechanisms for DNS (EDNS(0)) — instance of (P31): Request for Comments[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . RFC Index. Retrieved . wikidata.org.
  2. [2] ↑ . RFC Index. Retrieved . wikidata.org.
  3. [4] ↑ . RFC Index. Retrieved . wikidata.org.
  4. [5] ↑ . RFC Index. Retrieved . wikidata.org.
  5. [6] ↑ . RFC Index. Retrieved . wikidata.org.
  6. [7] ↑ . RFC Index. Retrieved . wikidata.org.
  7. [8] ↑ . RFC Index. Retrieved . wikidata.org.
  8. [9] ↑ . RFC Index. Retrieved . wikidata.org.
  9. [10] ↑ . RFC Index. Retrieved . wikidata.org.
  10. [11] ↑ . RFC Index. Retrieved . wikidata.org.
  11. [12] ↑ . RFC Index. Retrieved . wikidata.org.
  12. [13] ↑ . RFC Index. Retrieved . wikidata.org.
  13. [14] ↑ . RFC Index. Retrieved . wikidata.org.
  14. [15] ↑ . RFC Index. Retrieved . wikidata.org.
  15. [16] ↑ . RFC Index. Retrieved . wikidata.org.
  16. [17] ↑ . RFC Index. Retrieved . wikidata.org.
  17. [18] ↑ . RFC Index. Retrieved . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). RFC 6891: Extension Mechanisms for DNS (EDNS(0)). Retrieved May 3, 2026, from https://4ort.xyz/entity/rfc-6891-extension-mechanisms-for-dns-edns-0-
MLA “RFC 6891: Extension Mechanisms for DNS (EDNS(0)).” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/rfc-6891-extension-mechanisms-for-dns-edns-0-.
BibTeX @misc{4ortxyz_rfc-6891-extension-mechanisms-for-dns-edns-0-_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{RFC 6891: Extension Mechanisms for DNS (EDNS(0))}}, year = {2026}, url = {https://4ort.xyz/entity/rfc-6891-extension-mechanisms-for-dns-edns-0-}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): RFC 6891: Extension Mechanisms for DNS (EDNS(0)) — https://4ort.xyz/entity/rfc-6891-extension-mechanisms-for-dns-edns-0- (retrieved 2026-05-03)

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