Overview

Check email domain SPF, DMARC and MX records, including null MX and the published DMARC policy. Diagnose domain authentication setup. Does not verify mailbox existence, SMTP delivery or a person.

Protocol x402 (POST)
Price $0.0050
Payment Asset USDC
Payment Network Base
Category developer-tools
Provider Quantum Bear Systems
Source self-registered
Indexed 2026-11-13 07:06:57

Health

Status healthy
Latency (p50) —
Uptime (30d) —
Reliability Score —
Last Checked Never
Last Healthy Never
Consecutive Failures 0

x402 Payment Validation

Payment Requirements —
Asset Verified —
Facilitator —