io.rdapapi/rdap

up checked 2026-11-11T04:39:20.370Z

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Publisher-provided title

RDAP API

Publisher-provided description

Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.

Summary by lookupd

Queries normalized RDAP and WHOIS registration data for domains, IPs, ASNs, nameservers and TLDs in one API.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http rdap https://rdapapi.io/mcp/rdap

Codex, remote (streamable-http)

codex mcp add rdap --url https://rdapapi.io/mcp/rdap

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "rdap": {
      "url": "https://rdapapi.io/mcp/rdap"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

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
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
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 fiel

Shows this live status and links here; updates hourly.

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