{
  "$schema": "/api/schemas/documents.schema.json",
  "apiVersion": "1.1.0",
  "lastModified": "2026-10-16T19:31:45.735Z",
  "sourcePath": "src/main/data/docs",
  "docId": "RFC6303",
  "document": {
    "abstract": "Experience with the Domain Name System (DNS) has shown that there are a number of DNS zones that all iterative resolvers and recursive nameservers should automatically serve, unless configured otherwise. RFC 4193 specifies that this should occur for D.F.IP6.ARPA. This document extends the practice to cover the IN-ADDR.ARPA zones for RFC 1918 address space and other well-known zones with similar characteristics. This memo documents an Internet Best Current Practice.",
    "abstract$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML abstract",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "authors": [
      {
        "name": "Mark P. Andrews"
      }
    ],
    "authors$meta": {
      "confidence": "high",
      "note": "Parsed from Datatracker doc page article:author (profile full names)",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docId": "RFC6303",
    "docId$meta": {
      "confidence": "high",
      "note": "Derived from RFC number or Datatracker identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docLabel": "IETF RFC 6303",
    "docLabel$meta": {
      "confidence": "high",
      "note": "Constructed from provider and document identifier",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docNumber": "6303",
    "docNumber$meta": {
      "confidence": "high",
      "note": "Parsed from RFC info page report metadata",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docTitle": "Locally Served DNS Zones",
    "docTitle$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML title",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "docType": "Best Practice",
    "docType$meta": {
      "confidence": "high",
      "note": "Mapped from Datatracker std_level or RFC status text",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "doi": "10.17487/RFC6303",
    "doi$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML doi",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "href": "https://doi.org/10.17487/RFC6303",
    "href$meta": {
      "confidence": "high",
      "note": "Derived from DOI (https://doi.org/<doi>)",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "keywords": [
      "AS112",
      "IN-ADDR.ARPA",
      "IP6.ARPA",
      "Private Address Space"
    ],
    "keywords$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML keywords",
      "originalValue": [
        "AS112",
        "IN-ADDR.ARPA",
        "IP6.ARPA",
        "RFC1918"
      ],
      "overridden": true,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T19:31:45.735Z",
      "version": "extractDocs.js@commit:75b379398159"
    },
    "pages": "10",
    "pages$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML page-count",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "publicationDate": "2011-07-01",
    "publicationDate$meta": {
      "confidence": "high",
      "note": "Parsed from RFC index XML date",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "publisher": "IETF",
    "publisher$meta": {
      "confidence": "high",
      "note": "Static: provider",
      "originalValue": null,
      "source": "parsed",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "references": {
      "bibliographic": [
        "RFC3849",
        "RFC5735",
        "RFC5737",
        "RFC6304",
        "RFC6305",
        "orphan/RFC6303/h:889d0141"
      ],
      "bibliographic$meta": {
        "confidence": "medium",
        "flag": "MIXED_REF_LAYOUT_RISK anchored=20 proseBlocks=22 skippedAnchorBlocks=20",
        "note": "Parsed from RFC HTML references/informative sections",
        "originalValue": [],
        "reviewRequired": true,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "normative": [
        "RFC1034",
        "RFC1035",
        "RFC1918",
        "RFC2119",
        "RFC2136",
        "RFC2308",
        "RFC2606",
        "RFC3596",
        "RFC4035",
        "RFC4159",
        "RFC4193",
        "RFC4291",
        "RFC5226"
      ],
      "normative$meta": {
        "confidence": "high",
        "note": "Parsed from RFC HTML normative references sections",
        "originalValue": [],
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      }
    },
    "resolvedHref": "https://www.rfc-editor.org/info/rfc6303/",
    "resolvedHref$meta": {
      "confidence": "high",
      "note": "Final URL resolved via URL redirect verification",
      "originalValue": null,
      "source": "resolved",
      "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
      "updated": "2026-10-16T18:57:11.230Z",
      "version": "extractDocs.js@commit:a6ae1efef02e"
    },
    "status": {
      "active": true,
      "active$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "errataExist": false,
      "errataExist$meta": {
        "confidence": "high",
        "note": "Derived from presence of errata links on RFC/Datatracker pages",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "latestVersion": true,
      "latestVersion$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "statusNote": "Best Current Practice",
      "statusNote$meta": {
        "confidence": "high",
        "note": "Mapped from Datatracker doc.json std_level",
        "originalValue": null,
        "source": "parsed",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      },
      "superseded": false,
      "superseded$meta": {
        "confidence": "high",
        "note": "Derived from supersession relationship fields",
        "originalValue": null,
        "source": "resolved",
        "sourceUrl": "https://www.rfc-editor.org/info/rfc6303/",
        "updated": "2026-10-16T18:57:11.230Z",
        "version": "extractDocs.js@commit:a6ae1efef02e"
      }
    }
  }
}