RDAP API

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "rdap-api": {
      "type": "http",
      "url": "https://rdapapi.io/mcp/rdap"
    }
  }
}

7 tools

• domain-lookup

  Look up normalized RDAP registration data (registrar, status, dates, nameservers, contacts) for a domain name.

• bulk-domain-lookup

  Look up normalized RDAP registration data for several domain names in one pooled call. Requires a Pro or Business plan; every domain in the batch counts against the quota.

• ip-lookup

  Look up normalized RDAP allocation data (network range, holder, country, status, geofeed URL) for an IP address or CIDR block.

• asn-lookup

  Look up normalized RDAP data (holder, country, status, registration dates) for an autonomous system number.

• nameserver-lookup

  Look up normalized RDAP data (IP addresses, status, sponsoring registrar) for a nameserver hostname.

• entity-lookup

  Look up normalized RDAP data for an RIR entity handle — an organization or contact identifier such as "GOGL" or "ORG-RIEN1-RIPE". Only ARIN, RIPE, APNIC, LACNIC and AFRINIC handles resolve; a domain's registrar or registrant comes from domain-lookup instead.

• tlds

  List the TLDs this API can query, or describe one: which RDAP server answers for it, since when it has been supported, and how often that server fills each field. Metadata, so it never counts against the monthly quota.

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