{
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  "lastModified": "2026-10-20T21:17:53.671Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC8501",
  "document": {
    "abstract": "In IPv4, Internet Service Providers (ISPs) commonly provide IN-ADDR.ARPA information for their customers by prepopulating the zone with one PTR record for every available address. This practice does not scale in IPv6. This document analyzes different approaches and considerations for ISPs in managing the IP6.ARPA zone.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "authors": [
      {
        "name": "Lee Howard"
      }
    ],
    "authors$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/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docId": "RFC8501",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docLabel": "IETF RFC 8501",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docNumber": "8501",
    "docNumber$meta": {
      "confidence": "high",
      "note": "From the RFC index entry (rfc-index.xml <doc-id>)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docTitle": "Reverse DNS in IPv6 for Internet Service Providers",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "docType": "Informational",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "doi": "10.17487/RFC8501",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "href": "https://doi.org/10.17487/RFC8501",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "keywords": [
      "IPv6",
      "PTR",
      "Reverse DNS"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "IPv6",
        "PTR",
        "rDNS",
        "Reverse DNS"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T21:17:53.671Z",
      "version": "extractDocs.js@commit:2d729ed26f61"
    },
    "pages": "15",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "publicationDate": "2018-11-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "references": {
      "bibliographic": [
        "RFC2317",
        "RFC4472",
        "RFC6092",
        "RFC8117"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=21 proseBlocks=23 skippedAnchorBlocks=21",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "normative": [
        "RFC1912",
        "RFC2136",
        "RFC2845",
        "RFC2865",
        "RFC2866",
        "RFC3007",
        "RFC3646",
        "RFC4033",
        "RFC4035",
        "RFC4592",
        "RFC4704",
        "RFC4862",
        "RFC4941",
        "RFC6763",
        "RFC8106"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc8501/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
      "updated": "2026-10-20T17:33:05.818Z",
      "version": "extractDocs.js@commit:8277ba975118"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "errataExist": false,
      "errataExist$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/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "statusNote": "Informational",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc8501/",
        "updated": "2026-10-20T17:33:05.818Z",
        "version": "extractDocs.js@commit:8277ba975118"
      }
    }
  }
}