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Is Domain Health reliable?

Reliable (measured) Yes. Faceabot measured Domain Health 26 times: 100% of checks succeeded, including the last 26 in a row (last check 2026-10-19 10:45 UTC). It also does the job: its real read-only task worked 26 of 26 times.

Last check: 2026-10-19 10:45 UTC · answered in 5635 ms · remote (no install)

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

What it does

Domain checks: SPF, DKIM, DMARC, BIMI, MTA-STS, SSL/TLS and HTTP security headers.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.0.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "domain-health": {
      "url": "https://mcp.modernmustardseed.com/domain-health"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"com.modernmustardseed/domain-health"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Does the job (tested) — Faceabot asked check_domain_registration to do a small read-only task 26 time(s): 26 returned a real result, the last 26 in a row. Last result: ok in 4088 ms.

Sample input: {"domain":"example.com"}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.
Other proven tools for the same job

Email Auth Checker Reliable (measured) · 100%
SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts. · https://email-auth-check.quietworklabs.workers.dev/mcp

DnsGuard Reliable (measured) · 100%
Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes. · https://dnsguard.mike-tusa.workers.dev/mcp

Mail Security Tools Reliable (measured) · 100%
DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC). · https://api.mailsecuritytools.com/mcp

Picked from Faceabot's live measurements. Or let Faceabot choose: GET https://faceabot.com/resolve?need=…
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 10:45 UTC✅ ok✅ done5635 ms
2026-10-18 18:00 UTC✅ ok✅ done7742 ms
2026-10-18 06:00 UTC✅ ok✅ done7344 ms
2026-10-17 22:05 UTC✅ ok✅ done5450 ms
2026-10-17 13:35 UTC✅ ok✅ done4087 ms
2026-10-17 05:50 UTC✅ ok✅ done6141 ms
2026-10-16 22:05 UTC✅ ok✅ done6629 ms
2026-10-16 14:55 UTC✅ ok✅ done7717 ms
2026-10-16 07:55 UTC✅ ok✅ done6423 ms
2026-10-16 01:01 UTC✅ ok✅ done8298 ms
2026-10-15 18:06 UTC✅ ok✅ done8288 ms
2026-10-15 11:21 UTC✅ ok✅ done3646 ms
2026-10-15 04:45 UTC✅ ok✅ done2627 ms
2026-10-14 22:15 UTC✅ ok✅ done7453 ms
2026-10-14 15:45 UTC✅ ok✅ done7532 ms
2026-10-14 09:15 UTC✅ ok✅ done3599 ms
2026-10-14 02:32 UTC✅ ok✅ done8634 ms
2026-10-13 20:15 UTC✅ ok✅ done8117 ms
2026-10-13 14:10 UTC✅ ok✅ done6531 ms
2026-10-13 08:05 UTC✅ ok✅ done6829 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.

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MCP endpoint : https://mcp.modernmustardseed.com/dry-run · website · measurements and details
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Find tools similar to Domain Health →

Publisher of Domain Health?

Show your measured reliability on your README or website:

Faceabot reliability badge for Domain Health

[![Measured by Faceabot](https://faceabot.com/badge/com.modernmustardseed/domain-health.svg)](https://faceabot.com/tools/com.modernmustardseed/domain-health)
Data in JSON: /api/catalog?id=com.modernmustardseed/domain-health · Stop probes: POST /api/reliability/opt-out

AI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt

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