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Search / dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

x402 DNS Email Auth Checker

R0· no sign-in

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

v0.1.2 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality73new
Trust83of 100
Uptime, 30 days100%
Latency p50422 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "dns-auth-checker": {
      "type": "http",
      "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
    }
  }
}
claude mcp add --transport http dns-auth-checker https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp
[mcp_servers.dns-auth-checker]
url = "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "dns-auth-checker": {
      "type": "remote",
      "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "dns-auth-checker": {
      "type": "http",
      "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=dns-auth-checker&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8veDQwMi1kbnMtYXV0aC1jaGVja2VyLm1pY3JvdG9vbHMteDQwMi53b3JrZXJzLmRldi9tY3AifQ%3D%3D"
}
{
  "servers": {
    "dns-auth-checker": {
      "type": "http",
      "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
    }
  }
}
{
  "mcpServers": {
    "dns-auth-checker": {
      "httpUrl": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
    }
  }
}
extensions:
  "dns-auth-checker":
    enabled: true
    name: "dns-auth-checker"
    type: streamable_http
    uri: "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp"
    timeout: 300

Quality 73 / 100new

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: health (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); domain_auth_check (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 242 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 3 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

2 tools, about 242 tokens to load them all · tool set 4d7a5ccdbc34 · checked 2026-10-21 01:06 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-0d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp streamable-httpnoneyes100%422 ms2025-11-252026-10-20

Tools (2)

domain_auth_checkAudit a domain's email authentication DNS: SPF (record count, all qualifier, includes, ~DNS lookups vs 10 limit), DMARC (p, sp, pct, rua/ruf, adkim/aspf), DKIM (common or given selectors, key type and length), MX, plus BIMI / MTA-STS / TLS-RPT presence. Returns per-check status, issues, recommendations, score 0-100 and grade A-F. Costs $0.003 USDC per call via x402.
healthFree health check. Returns service status, price and network.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker",
  "title": "x402 DNS Email Auth Checker",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://x402-dns-auth-checker.microtools-x402.workers.dev/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.2",
  "websiteUrl": "https://x402-dns-auth-checker.microtools-x402.workers.dev/",
  "description": "Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402."
}