x402 census · dmarc-lookup.underscoredone.com · ac032d83f826 · JSON
POST /dmarc-lookup
unprobed
Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a standard that tells email providers how to handle fake or spoofed emails pretending to come from your domain. For each domain you submit, you get back whether a valid record exists, what the policy is (none, quarantine, or reject), whether reporting addresses are set up, and the fu…
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://dmarc-lookup.underscoredone.com/dmarc-lookup |
| Method | POST |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08 |
| Seller | dmarc-lookup.underscoredone.com |
| Catalogs | cdp (row updated 2026-09-28) |
| Listed since (lower bound) | 2026-09-28 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-28 |
| CDP quality counters | 3 calls and 3 unique payers in 30 days, last call 2026-09-28 (catalog-reported, not verified on chain) |
| Category (keyword rule) | domains/dns |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Bulk DMARC Record Lookup · dmarc, dmarc record, email security, dmarc lookup, email authentication |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 47 |
| Payments | 85 |
| USDC volume | $0.87 |
| Median payment | $0.01 |
| First / last payment | 2026-06-17 / 2026-09-30 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"domains": [
"onescales.com",
"hillms.com",
"google.com"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 708
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://dmarc-lookup.underscoredone.com/dmarc-lookup' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/ac032d83f826/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ac032d83f826"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on dmarc-lookup.underscoredone.com.