DMARC Examiner helps developers and IT teams implement and monitor DMARC, SPF, and DKIM authentication for their domains. Built by email security engineers, it combines professional-grade monitoring with transparent, affordable pricing. The platform includes free online tools for checking and generating DMARC, SPF, and DKIM records — no signup required. For teams that need ongoing monitoring, paid plans start at $2.99/month with features that competitors charge $199+/month for, including API access, forensic reports, and multi-domain management. Key features: - Free DMARC, SPF, DKIM checkers and generators (no signup required) - Real-time monitoring with email and webhook alerts - REST API for CI/CD integration - Multi-tenancy for agencies and MSPs - Forensic reports (RUF) from $9.99/month (competitors charge $199+)