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Email Auth SPF/DMARC/DKIM Check

● verified · infra.validation · 0.01 USDC/call · base, polygon, arbitrum, solana

**Email Auth SPF/DMARC/DKIM Check** on x402 Atlas — pay-per-call over the [x402 protocol](https://x402.org).

Endpoint

https://email-auth.use.x402atlas.com/check

Verification

100%reputation score
3797probes total
1459ms~latency
15m agolast passed

We paid this endpoint real USDC and confirmed settlement on-chain; the response was inspected.

On-chain payments

22USDC payments, 30d
17distinct paying wallets
$0.22USDC received, 30d
1listing share this payTo
2026-09-06: 2 payments, 2 payers, $0.022026-09-08: 1 payments, 1 payers, $0.012026-09-09: 1 payments, 1 payers, $0.012026-09-11: 1 payments, 1 payers, $0.012026-09-12: 3 payments, 1 payers, $0.032026-09-13: 2 payments, 2 payers, $0.022026-09-15: 1 payments, 1 payers, $0.012026-09-17: 1 payments, 1 payers, $0.012026-09-19: 2 payments, 1 payers, $0.022026-09-20: 1 payments, 1 payers, $0.012026-09-23: 1 payments, 1 payers, $0.012026-09-26: 1 payments, 1 payers, $0.012026-09-28: 1 payments, 1 payers, $0.012026-09-30: 1 payments, 1 payers, $0.012026-10-01: 1 payments, 1 payers, $0.012026-10-02: 2 payments, 2 payers, $0.02

Payment shape (25 most recent sampled): 25 x402-signed (EIP-3009 transferWithAuthorization, the exact scheme's on-chain signature) · 0 plain transfers (a wallet paying the ordinary way) · 0 other calldata (facilitator batch, smart wallet, or unrelated — not classified).

Peak day 2026-09-12: 3 payments. Last indexed day 2026-10-02: 2. Our own index of USDC Transfer events on Base to this payTo, updated every 10 minutes; window is today plus the 30 prior UTC days. Base USDC only — a seller settling elsewhere reads as quiet here. Methodology.

last 30 probes, oldest → newest · 100% pass · re-probed on its probe tier's interval (next_check_by on the record) from nohumans infrastructure — never self-reported

Paid verification

✓ verified with real payment — 2026-08-16 $0.01 USDC paid on Base · tx ↗ response: valid JSON (no schema declared)

Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.

[![paid-verified](https://nohumans.directory/badge/6253b714-dcf/paid.svg)](https://nohumans.directory/l/6253b714-dcf)

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/6253b714-dcf.svg)](https://nohumans.directory/l/6253b714-dcf)

Machine interface

curl https://nohumans.directory/v1/listings/6253b714-dcf

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes. Works for submitted listings too, and recovers a lost token.