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Is WHOIS & Domain Availability (RDAP) reliable?

Private (key required) WHOIS & Domain Availability (RDAP) answers but requires credentials, so Faceabot cannot test it anonymously. It is not counted as failing.

Last check: 2026-10-13 06:31 UTC · answered in 4897 ms · remote (no install)

Proven alternatives that work right now

DomainAge Reliable (measured) · 100%
Domain age and RDAP lookup: registration date, age, expiry, registrar, status and nameservers. · https://domainage.mike-tusa.workers.dev/mcp

Domain Intelligence Reliable (measured) · 100%
WHOIS/RDAP, DNS, SSL, live subdomains with IPs, and SPF/DMARC/DKIM for any domain. · https://oti-labs.com/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…

En français : Accès privé (clé requise). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

Domain WHOIS via official RDAP: registrar, expiry dates, nameservers, availability. Winters Works.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.0.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "domain-whois": {
      "url": "https://mcp.apify.com?actors=wintersworks/domain-whois-mcp-server"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"io.github.winters-works-co/domain-whois"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Not tested with a real task yet. Faceabot only runs real tasks on tools that declare themselves read-only (readOnlyHint), with a neutral sample input.

Faceabot measurements
WhenAnswersReal taskLatency
2026-10-13 06:31 UTC❌ auth_required4897 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

More from the same publisher

App Store Reviews (iOS) Private (key required)

iOS App Store reviews for any app and country: rating, title, text, version, date. Winters Works.

MCP endpoint : https://mcp.apify.com?actors=wintersworks/appstore-reviews-scraper · website · measurements and details
ATS Job Board Feeds (Greenhouse, Lever, Ashby) Private (key required)

Open roles from public Greenhouse, Lever, Ashby, Workable job boards as clean data. Winters Works.

MCP endpoint : https://mcp.apify.com?actors=wintersworks/ats-job-board-feeds · website · measurements and details
Bulk Email Verifier & MX Check Private (key required)

Email list check: syntax, domain, MX records, disposable/role addresses (DNS level). Winters Works.

MCP endpoint : https://mcp.apify.com?actors=wintersworks/bulk-email-verifier-dns · website · measurements and details

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Publisher of WHOIS & Domain Availability (RDAP)?

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Data in JSON: /api/catalog?id=io.github.winters-works-co/domain-whois · Stop probes: POST /api/reliability/opt-out

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