x402 DNS Auth CheckerEmailNetworking & InfrastructureSecurityshaimaiiee-designAlicense-Not gradedqualityCmaintenanceEnables users to audit a domain's email-authentication DNS configuration—covering SPF, DKIM, DMARC, MX, BIMI, MTA-STS, and TLS-RPT—and receive issues, recommendations, a 0–100 score, and A–F grade. Updated 11 hours ago (2026-10-17 05:24 UTC)MIT