Email Auth Check (SPF/DMARC/DKIM)
https://email-auth-x402.sdnscreen.workers.dev/v1/email-auth
● healthy
email
SPF, DMARC, DKIM and MX check for any domain with an A-F grade, score and coded issue list. GET ?domain=example.com
Category
email
Chains
base
Price
$0.0100 USDC / call
Quality grade
How grading works
C+
60.0 / 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
0.0 / 40
Payment address on record, not yet queried on-chain
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 7 h ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://email-auth-x402.sdnscreen.workers.dev/v1/email-auth/.well-known/x402.json
https://email-auth-x402.sdnscreen.workers.dev/.well-known/x402
Listed in
Directories this entry was found in.
submission
x402scan