83trust / 100

Dns Changed

by Forest Infra in Developer tools

x402 APIPassing, checked 3 h ago

Detect material public DNS answer changes with a deterministic hash. TTL-only changes do not count and no arbitrary resolver or AXFR operation is exposed. Base mainnet USDC

POST https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/dns/changed

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
228 ms typical, 228 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://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/dns/changed" \
  -H "content-type: application/json" \
  -d '{"name":"example.com","previous_hash":"sha256:0000000000000000000000000000000000000000000000000000000000000000","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 $0.03:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fhttp--forest-gas-station-mainnet--lcjl27p8lmjs.code.run%2Fdns%2Fchanged
const res = await pay("https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/dns/changed", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"name":"example.com","previous_hash":"sha256:0000000000000000000000000000000000000000000000000000000000000000","type":"A"}),
});
console.log(await res.json());

Example input

{
  "name": "example.com",
  "previous_hash": "sha256:0000000000000000000000000000000000000000000000000000000000000000",
  "type": "A"
}

Example output

{
  "capability": "dns.changed",
  "data": {
    "answers": [],
    "changed": false,
    "changed_fields": [],
    "new_hash": "example",
    "previous_hash": "example",
    "ttl": 1
  },
  "meta": {
    "cache": "miss",
    "checked_at": "2026-01-01T00:00:00.000Z",
    "duration_ms": 0,
    "provider": "state-hash"
  },
  "ok": true,
  "version": "1"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
3 h agoPassed402228 ms$0.001