Know which emails you can trust.

Authenticate recipient inboxes with direct RFC 5321 SMTP handshakes, authoritative DNS records, and real-time burner detection.

LIVE PROBE TELEMETRY

PORT 25 DIRECT

alex@stripe.com

134msVALID

sarah@linear.app

118msVALID

burner.temp@10minutemail.com

89msRISKY

engineering@github.com

142msVALID

p95: 134ms•Deterministic 99.2%•Zero Data Retention

Sign in to Console

Access your API keys, verification dashboard, and telemetry.

or continue with email