81trust / 100

Dns Propagation

by DNS propagation check in Developer tools

x402 APIPassing, checked 42 min ago

Resolve the same DNS record against 4 public resolvers (Google, Cloudflare, Quad9, OpenDNS) in parallel; surface divergences. The first call you make after a DNS change - confirms the world sees what you intended.

POST https://agent402.tools/api/dns-propagation

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
198 ms typical, 198 ms slowest 5%
Last check
42 min 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/dns-propagation" \
  -H "content-type: application/json" \
  -d '{"host":"google.com","type":"A"}'
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 $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fdns-propagation
const res = await pay("https://agent402.tools/api/dns-propagation", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"host":"google.com","type":"A"}),
});
console.log(await res.json());

Example input

{
  "host": "google.com",
  "type": "A"
}

Example output

{
  "consistent": true,
  "host": "google.com",
  "queriedAt": "2026-06-19T20:00:00.000Z",
  "resolvers": [
    {
      "count": 1,
      "name": "Google",
      "records": [
        "142.250.80.46"
      ],
      "resolver": "8.8.8.8"
    },
    {
      "count": 1,
      "name": "Cloudflare",
      "records": [
        "142.250.80.46"
      ],
      "resolver": "1.1.1.1"
    },
    {
      "count": 1,
      "name": "Quad9",
      "records": [
        "142.250.80.46"
      ],
      "resolver": "9.9.9.9"
    },
    {
      "count": 1,
      "name": "OpenDNS",
      "records": [
        "142.250.80.46"
      ],
      "resolver": "208.67.222.222"
    }
  ],
  "type": "A"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
42 min agoPassed402199 ms$0.002
6 h agoPassed402198 ms$0.002