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Domain and email trust checks for AI agents. Domain: DNS, MX, SPF / DMARC / DKIM / MTA-STS / BIMI, DNSSEC, RDAP registration age + registrar + status, parking and disposable detection, risk flags, 0-100 score. Email: syntax, disposable / role / free provider, MX, domain auth, domain age, verdict. Public DNS + RDAP only; no SMTP probing; nothing stored.
Category
search
Chains
base, eip155:8453
Price
$0.0010–$0.0020 USDC
Quality grade
How grading works
B
72.2 / 100
Availability
40.0 / 40
Endpoint responded (HTTP 402)
Payability
20.0 / 20
- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
Demand
12.2 / 40
6 distinct payers, 25 USDC transfers in the last 30 days
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 11 h ago.
On-chain activity last read 2 d ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
Paid endpoints
2 resource(s) advertised by this origin.
https://domaincheck.agentgate.workers.dev/v1/domain
https://domaincheck.agentgate.workers.dev/v1/domain
https://domaincheck.agentgate.workers.dev/v1/email
https://domaincheck.agentgate.workers.dev/v1/email
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://domaincheck.agentgate.workers.dev/v1/domain # expect HTTP 402 Payment Required (about $0.001/call)/.well-known/x402.json
https://domaincheck.agentgate.workers.dev/.well-known/x402
Listed in
Directories this entry was found in.
x402scan
x402
a2a