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Business Email Authentication Health Check

One-domain score for MX + SPF + DKIM + DMARC readiness.

How it works

One-domain email auth health score

Scores MX + SPF + DMARC + DKIM (tries common selectors, or use yours) so you know if MailShrine / provider DNS is ready for deliverability.

Or start from a real-life example

Results appear here after you click Run health check.

Need inboxes on your domain? MailShrine Business Email includes guided DNS setup.