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Domain monitoring: catch authentication and infrastructure drift.

Verify a sending domain and monitor SPF, DKIM, DMARC, BIMI, MTA-STS, TLS-RPT, MX, DNSBL, PTR, and domain age health.

What domain monitoring watches

Domain monitoring is built for the slow failures that rarely announce themselves: DNS edits, provider migrations, old SPF includes, missing DKIM selectors, and blocklist changes.

Authentication health: SPF, DKIM, DMARC, BIMI, policy strength, selectors.
Infrastructure health: MX, PTR, DNSBL, domain age, MTA-STS, TLS-RPT, MX TLS.
Ownership verification with a TXT token before scans are attached to an account.

Who should use it

Teams with multiple ESPs, CRMs, support tools, billing systems, or client domains need a periodic view of whether each sending domain is still healthy.

SaaS teams

Protect signup, password reset, lifecycle, billing, and notification domains.

Agencies

Monitor client domains after implementation and show ongoing health.

IT teams

Catch DNS and provider drift before mail flow breaks.