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Dmarc Check

by DMARC check in Email & messaging

x402 APIPassing, checked 3 h ago

Fetch and validate a domain's DMARC policy at _dmarc.<domain> (RFC 7489). Surfaces the enforcement policy (none/quarantine/reject), reporting addresses, alignment modes, and common misconfigs (no rua, p=none stuck for months, percent <100). Pair with SPF and DKIM for full Feb-2024 sender-rule compliance.

POST https://agent402.tools/api/dmarc-check

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
202 ms typical, 202 ms slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/dmarc-check" \
  -H "content-type: application/json" \
  -d '{"domain":"google.com"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fdmarc-check
const res = await pay("https://agent402.tools/api/dmarc-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"domain":"google.com"}),
});
console.log(await res.json());

Example input

{
  "domain": "google.com"
}

Example output

{
  "alignment": {
    "dkim": "r",
    "spf": "r"
  },
  "domain": "google.com",
  "hasRecord": true,
  "percent": 100,
  "policy": "reject",
  "raw": "v=DMARC1; p=reject; rua=mailto:[email protected]",
  "reportingUris": {
    "aggregate": [
      "mailto:[email protected]"
    ],
    "failure": []
  },
  "subdomainPolicy": "reject",
  "valid": true,
  "warnings": []
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402202 ms$0.001