DKIMCheck.online is a zero-latency email deliverability health monitor built on Cloudflare Workers and Cloudflare DoH. It audits your domain's SPF, DKIM, and DMARC authentication protocols in under 50ms, monitors degradation 24/7, and notifies you immediately if your domain deliverability breaks.
Key Features:
š”ļø Continuous 24/7 background monitoring with email & webhook alerts.
š Full Developer REST API & Webhooks.
š Live embeddable deliverability badge widget for your website footer/README.
