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Dkim Lookup

by DKIM key lookup in Email & messaging

x402 APIPassing, checked 3 h ago

Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain> (RFC 6376). Returns the parsed key params (algorithm, length, flags) so you can verify rotation status or key strength. Caller must know the selector - use email-deliverability if you don't.

POST https://agent402.tools/api/dkim-lookup

Last 30 days

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Uptime
100%
Response time
182 ms typical, 182 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/dkim-lookup" \
  -H "content-type: application/json" \
  -d '{"domain":"google.com","selector":"20221208"}'
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%2Fdkim-lookup
const res = await pay("https://agent402.tools/api/dkim-lookup", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"domain":"google.com","selector":"20221208"}),
});
console.log(await res.json());

Example input

{
  "domain": "google.com",
  "selector": "20221208"
}

Example output

{
  "domain": "google.com",
  "flags": [],
  "fullName": "20221208._domainkey.google.com",
  "hasRecord": true,
  "hashAlgorithms": [],
  "keyType": "rsa",
  "publicKey": {
    "base64": "MIIBIj...",
    "bits": 2048,
    "revoked": false
  },
  "raw": "v=DKIM1; k=rsa; p=MIIBIj...",
  "selector": "20221208",
  "serviceType": "*",
  "version": "DKIM1",
  "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 agoPassed402182 ms$0.002