{
 "id": "dev.workers.mike-tusa.dnsguard/dnsguard",
 "name": "DnsGuard",
 "description": "Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://dnsguard.mike-tusa.workers.dev/mcp"
 },
 "website": "https://dnsguard.mike-tusa.workers.dev/",
 "version": "0.9.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 38,
  "successes": 38,
  "successRate": 1,
  "consecutiveSuccesses": 38,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T20:45:43.546Z",
  "lastLatencyMs": 7904,
  "toolsAdvertised": 1,
  "method": "MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision",
  "work": {
   "verdict": "proven_working",
   "tool": "check_domain",
   "attempts": 38,
   "successes": 38,
   "successRate": 1,
   "consecutiveSuccesses": 38,
   "lastStatus": "ok",
   "lastMs": 1965,
   "sampleInput": "{\"domain\":\"example.com\"}",
   "method": "Faceabot calls one read-only tool (annotations.readOnlyHint) with a neutral sample input and checks that it returns a non-empty result without error."
  }
 },
 "details": "https://faceabot.com/api/catalog?id=dev.workers.mike-tusa.dnsguard%2Fdnsguard",
 "page": "https://faceabot.com/tools/dev.workers.mike-tusa.dnsguard/dnsguard",
 "badge": {
  "image": "https://faceabot.com/badge/dev.workers.mike-tusa.dnsguard/dnsguard.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/dev.workers.mike-tusa.dnsguard/dnsguard.svg)](https://faceabot.com/tools/dev.workers.mike-tusa.dnsguard/dnsguard)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T20:45:43.546Z",
   "ok": 1,
   "status": "ok",
   "ms": 7904,
   "f_status": "ok"
  },
  {
   "at": "2026-10-19T07:55:42.733Z",
   "ok": 1,
   "status": "ok",
   "ms": 4835,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T15:15:43.723Z",
   "ok": 1,
   "status": "ok",
   "ms": 6439,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T04:35:40.191Z",
   "ok": 1,
   "status": "ok",
   "ms": 4010,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T20:35:39.461Z",
   "ok": 1,
   "status": "ok",
   "ms": 4462,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T12:10:43.904Z",
   "ok": 1,
   "status": "ok",
   "ms": 5495,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T04:30:49.321Z",
   "ok": 1,
   "status": "ok",
   "ms": 5328,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T20:50:51.100Z",
   "ok": 1,
   "status": "ok",
   "ms": 4082,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T13:40:51.974Z",
   "ok": 1,
   "status": "ok",
   "ms": 5046,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T06:40:54.825Z",
   "ok": 1,
   "status": "ok",
   "ms": 6925,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T23:50:51.219Z",
   "ok": 1,
   "status": "ok",
   "ms": 4169,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T16:51:30.611Z",
   "ok": 1,
   "status": "ok",
   "ms": 6608,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T10:11:02.485Z",
   "ok": 1,
   "status": "ok",
   "ms": 4726,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T03:40:29.205Z",
   "ok": 1,
   "status": "ok",
   "ms": 3002,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T21:15:15.740Z",
   "ok": 1,
   "status": "ok",
   "ms": 4732,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T14:45:35.385Z",
   "ok": 1,
   "status": "ok",
   "ms": 4100,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T08:20:32.287Z",
   "ok": 1,
   "status": "ok",
   "ms": 2044,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T01:31:28.997Z",
   "ok": 1,
   "status": "ok",
   "ms": 8460,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T19:25:51.382Z",
   "ok": 1,
   "status": "ok",
   "ms": 8627,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T13:20:57.244Z",
   "ok": 1,
   "status": "ok",
   "ms": 8014,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 1,
  "declaredReadOnly": 1,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "551c4ba4c1fb1d0ac5d9f42a01f36043",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T20:35:39.609Z",
  "protocol": "2025-06-18",
  "warnings": [],
  "note": "Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."
 }
}