Connect-MCP

RDAP API

io.rdapapi/rdap · v1.3.0

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

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Last check

Reachable, 7 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 88/100

What it does: 7 tools · 7 read, 0 write

Test call tlds: needs a key: HTTP 401 (1,034 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: +5
  • Safe test call: +8
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://rdapapi.io/mcp/rdap

Tools

7 tools listed at last check
  • 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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