Email Auth Checker

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

使うべきか

品質と安全性

A
説明の品質
100%
スキーマの完全性
100%
命名の品質
80%
ポイズニングのリスク
100%
権限の一致
100%
プロトコルへの準拠
100%

ツール定義とプロトコルへの準拠に関する自動分析に基づいています。

コンテキストコスト

~685トークン数(ツール定義)
~530 B一般的なレスポンスサイズ
注意への影響は中程度(128k コンテキストの 0.54%)

これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。

インストール

ワンクリックインストール

これを `claude_desktop_config.json` ファイルに追加してください:

{
  "mcpServers": {
    "email-auth-check": {
      "url": "https://email-auth-check.quietworklabs.workers.dev/mcp"
    }
  }
}

リモートエンドポイント

https://email-auth-check.quietworklabs.workers.dev/mcpstreamable-http

できること

ツール一覧

ツール(4)

🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢email_auth_report(domain, selectors)

Full email-auth report for a domain: SPF (recursive 10-lookup count, void lookups, +all/?all, terms after all), DMARC (policy, pct, alignment, rua authorization), DKIM (keys and RSA key bits at common selectors or your own via selectors=), MX/null MX, MTA-STS policy, TLS-RPT, BIMI, and a Gmail/Yahoo/Outlook bulk-sender readiness verdict. Deterministic DNS-over-HTTPS, no AI. Price: $0.003 USDC per call via x402 (Base); the first 5 calls per day per client are free.

入力スキーマ

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain (or email address) to check",
      "examples": [
        "github.com"
      ]
    },
    "selectors": {
      "type": "string",
      "description": "Optional comma list of DKIM selectors to probe (max 10)",
      "examples": [
        "google,selector1"
      ]
    }
  },
  "required": [
    "domain"
  ]
}
🟢spf_lookup_count(domain)

Expands a domain's SPF record recursively (include/redirect) like a receiver does and counts DNS-querying terms against the RFC 7208 limit of 10 and void lookups against the limit of 2. Returns per-term lookup costs, problems (permerror causes) and warnings. Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.

入力スキーマ

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain to check",
      "examples": [
        "github.com"
      ]
    }
  },
  "required": [
    "domain"
  ]
}
🟢dmarc_check(domain)

Finds and validates a domain's DMARC record (falls back to the organizational domain): policy, subdomain policy, pct, alignment modes, rua/ruf, and whether external report domains authorized reports (RFC 7489 7.1). Deterministic, no AI. Price: $0.001 USDC per call via x402 (Base); the first 5 calls per day per client are free.

入力スキーマ

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain to check",
      "examples": [
        "github.com"
      ]
    }
  },
  "required": [
    "domain"
  ]
}
🟢domain_expiry(domain)

Registration data for a domain from the registry's RDAP server (IANA bootstrap): registrar, created/updated/expiry dates, days until expiry with ok/expiring_soon/expired status, EPP status codes, nameservers and DNSSEC. Works for gTLDs and ccTLDs that publish RDAP. Deterministic, no AI. Price: $0.002 USDC per call via x402 (Base); the first 5 calls per day per client are free.

入力スキーマ

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "description": "Domain name",
      "examples": [
        "example.com"
      ]
    }
  },
  "required": [
    "domain"
  ]
}

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