78trust / 100
Dns Spf Flatten
by spf-flatten in Email & messaging
x402 APIPassing, checked 35 min ago
SPF flattener: recursively expands a domain's SPF includes and redirects into the final list of authorised IPv4/IPv6 ranges and returns a flattened record. Fix the 10-lookup limit or audit exactly which networks may send mail as the domain. $0.01 per domain.
POST https://intel.rallylive.ca/dns/spf-flatten
Last 30 days
All checks passedSome failedAll failedNot checked
- Uptime
- 100%
- Response time
- 47 ms typical, 476 ms slowest 5%
- Last check
- 35 min ago
- Next check
- any minute now
How to call it
# See the payment challenge (nothing is charged)
curl -i -X POST "https://intel.rallylive.ca/dns/spf-flatten" \
-H "content-type: application/json" \
-d '{"domain":"github.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 $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fintel.rallylive.ca%2Fdns%2Fspf-flatten
const res = await pay("https://intel.rallylive.ca/dns/spf-flatten", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({"domain":"github.com"}),
});
console.log(await res.json());Example input
{
"domain": "github.com"
}Example output
{
"all": "~all",
"domain": "github.com",
"flattened_record": "v=spf1 ip4:192.30.252.0/22 ... ~all",
"includes_expanded": 9,
"ip4": [
"192.30.252.0/22",
"..."
],
"ip6": [],
"length": 420
}Security scan
- Payment address changed recently in payment
Payment address changed from 0x91D568599fB802Cb3f03F067D2063785dBAF0abd to 0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 35 min ago | Passed | 402 | 42 ms | $0.01 |
| 5 h ago | Passed | 402 | 44 ms | $0.01 |
| 8 h ago | Passed | 402 | 204 ms | $0.01 |
| 12 h ago | Passed | 402 | 47 ms | $0.01 |
| 16 h ago | Passed | 402 | 42 ms | $0.01 |
| 19 h ago | Passed | 402 | 476 ms | $0.01 |
| 24 h ago | Passed | 402 | 534 ms | $0.01 |
History
| 11 Oct 2026 | Payment address changed from 0x91D568599fB802Cb3f03F067D2063785dBAF0abd to 0xFC24FD34da9e49A0110DCaEe3Ad30eC54175eBB3 |