rdapapi-io · Schema

TldEntry

CompanyRDAPDomainAPIWhois

Properties

Name Type Description
tld string Lowercase TLD label without a leading dot.
protocol string Which protocol answers for this TLD. `whois` marks the TLDs IANA lists no RDAP server for.
supported_since string When this TLD was first added to the RDAP API index. Not the same as when IANA delegated the TLD.
server string Hostname of the upstream that answers for this TLD. This is what `?server=` filters on, and what a lookup's `meta.server` returns.
rdap_server_host stringnull Superseded by `server`. Null when `protocol` is `whois`.
rdap_server_url stringnull Full URL of the upstream RDAP server. Null when `protocol` is `whois`, which has no URL form.
field_availability objectnull How often the registry fills each field, without follow. `null` for WHOIS TLDs and until there is enough data.
View JSON Schema on GitHub

JSON Schema

rdapapi-io-tld-entry-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/rdapapi-io/json-schema/rdapapi-io-tld-entry-schema.json",
  "title": "TldEntry",
  "x-generated": "2026-10-31",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/rdapapi-io-openapi.yaml#/components/schemas/TldEntry",
  "type": "object",
  "required": [
    "tld",
    "protocol",
    "supported_since",
    "server",
    "rdap_server_host",
    "rdap_server_url",
    "field_availability"
  ],
  "properties": {
    "tld": {
      "type": "string",
      "description": "Lowercase TLD label without a leading dot."
    },
    "protocol": {
      "type": "string",
      "enum": [
        "rdap",
        "whois"
      ],
      "description": "Which protocol answers for this TLD. `whois` marks the TLDs IANA lists no RDAP server for."
    },
    "supported_since": {
      "type": "string",
      "format": "date-time",
      "description": "When this TLD was first added to the RDAP API index. Not the same as when IANA delegated the TLD."
    },
    "server": {
      "type": "string",
      "description": "Hostname of the upstream that answers for this TLD. This is what `?server=` filters on, and what a lookup's `meta.server` returns."
    },
    "rdap_server_host": {
      "type": [
        "string",
        "null"
      ],
      "deprecated": true,
      "description": "Superseded by `server`. Null when `protocol` is `whois`."
    },
    "rdap_server_url": {
      "type": [
        "string",
        "null"
      ],
      "format": "uri",
      "description": "Full URL of the upstream RDAP server. Null when `protocol` is `whois`, which has no URL form."
    },
    "field_availability": {
      "type": [
        "object",
        "null"
      ],
      "description": "How often the registry fills each field, without follow. `null` for WHOIS TLDs and\nuntil there is enough data.\n",
      "required": [
        "registrar",
        "registered_at",
        "expires_at",
        "nameservers",
        "status"
      ],
      "properties": {
        "registrar": {
          "$ref": "#/$defs/AvailabilityLevel"
        },
        "registered_at": {
          "$ref": "#/$defs/AvailabilityLevel"
        },
        "expires_at": {
          "$ref": "#/$defs/AvailabilityLevel"
        },
        "nameservers": {
          "$ref": "#/$defs/AvailabilityLevel"
        },
        "status": {
          "$ref": "#/$defs/AvailabilityLevel"
        }
      }
    }
  },
  "$defs": {
    "AvailabilityLevel": {
      "type": "string",
      "enum": [
        "always",
        "usually",
        "sometimes",
        "never"
      ],
      "description": "Qualitative bucket describing how often a field is populated in the TLD's registry RDAP response."
    }
  }
}

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