Catalog/Business data/Superpowers email authentication audit

Audit a domain's email authentication

Liveby Superpowers email authentication audit

Checks whether a domain's emails will pass SPF, DKIM and DMARC, with fixes.

Reports MX records and mail provider, the SPF record with its qualifier and recursive DNS-lookup count against the limit of 10, the DMARC policy, alignment and reporting addresses, DKIM keys found under about 30 common selectors plus any you pass (with key size), BIMI, MTA-STS and TLS-RPT, then scores the setup and lists prioritized fixes.

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For developersSummary, tool id, API call and input schema

Email authentication audit API by Superpowers email authentication audit, callable through Superpowers. It is free with any Superpowers account. In the last 30 days it served 4 calls, averaging 240ms with 100% succeeding. Call it with one API key: POST /v1/run with "tool": "emailauth.audit", or over MCP with run_tool.

Tool id

Call it

Also over MCP as run_tool

curl -X POST https://superpowers.tools/v1/run \
  -H 'Authorization: Bearer $SP_KEY' \
  -d '{"tool":"emailauth.audit","input":{"domain":"rdstation.com"},"idempotency_key":"example-request-1"}'

Input

2 fields · 1 required

{
  "type": "object",
  "additionalProperties": false,
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 3,
      "maxLength": 253,
      "description": "Sending domain, e.g. nubank.com.br (no scheme or path)"
    },
    "dkim_selectors": {
      "type": "array",
      "maxItems": 10,
      "items": {
        "type": "string",
        "pattern": "^[A-Za-z0-9._-]{1,63}$"
      },
      "description": "Extra DKIM selectors to check, e.g. the one your email platform gave you"
    }
  }
}