{
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  "docId": "RFC4870",
  "document": {
    "abstract": "\"DomainKeys\" creates a domain-level authentication framework for email by using public key technology and the DNS to prove the provenance and contents of an email. This document defines a framework for digitally signing email on a per-domain basis. The ultimate goal of this framework is to unequivocally prove and protect identity while retaining the semantics of Internet email as it is known today. Proof and protection of email identity may assist in the global control of \"spam\" and \"phishing\". This memo defines a Historic Document for the Internet community.",
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      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
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      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "authors": [
      {
        "name": "Mark Delany"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docId": "RFC4870",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docLabel": "IETF RFC 4870",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docNumber": "4870",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docTitle": "Domain-Based Email Authentication Using Public Keys Advertised in the DNS (DomainKeys)",
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      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "docType": "Specification",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "doi": "10.17487/RFC4870",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "href": "https://doi.org/10.17487/RFC4870",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "pages": "41",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publicationDate": "2007-05-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "references": {
      "bibliographic": [
        "RFC4871",
        "RFC2822",
        "RFC3833",
        "RFC3851",
        "orphan/RFC4870/h:0d93e459",
        "orphan/RFC4870/h:ea1b16bf",
        "orphan/RFC4870/h:537c40ad",
        "orphan/RFC4870/h:42d55e05"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=11 proseBlocks=16 skippedAnchorBlocks=13",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "normative": [
        "RFC4648",
        "RFC2119",
        "RFC1421"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc4870/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
      "updated": "2026-10-13T18:21:49.337Z",
      "version": "extractDocs.js@commit:6d30695438dd"
    },
    "status": {
      "active": false,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "latestVersion": false,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "statusNote": "Historic",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "superseded": true,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
      },
      "supersededBy": [
        "RFC4871"
      ],
      "supersededBy$meta": {
        "confidence": "high",
        "note": "Parsed from RFC index XML",
        "originalValue": [],
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc4870/",
        "updated": "2026-10-13T18:21:49.337Z",
        "version": "extractDocs.js@commit:6d30695438dd"
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}