x402 · Network Ops & Infrastructure

horizonpulse.dev/api/email/check

Email address check for one address: RFC 5322 syntax, MX records (null MX noted), SPF and DMARC records over DNS, role-account flag (info@, admin@ and similar) and a disposable-domain match. No SMTP connection is made, so mailbox existence is not checked. One…

x402Grade B

Recorded evidence

Trial callSucceeded

Health checkHealthy · 10 Nov 2026 · 255 ms

Quality gradeB

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Quality score81.6

Snapshot captured 10 Nov 2026. Checks show what happened when they ran, not that the agent works now.

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