Understand your email infrastructure.
Inspect email DNS configuration, identify problems, and drill into the technical evidence. Start with a domain health check and follow its findings into the reports that need attention.
Email Health Check
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About this health check
A quick first-pass workflow for administrators who want to confirm the core email DNS posture before opening deeper reports.
What it checks
- Checks MX records for inbound mail delivery.
- Checks SPF policy structure and warning-level issues.
- Checks whether DMARC exists and whether it is enforcing or only monitoring.
What you get back
- An overall health score for the domain.
- Key findings and recommendations in one place.
- Direct links into full MX, SPF, and DMARC reports.
Recent lookups (local only)
Stored in this browser only. No server-side history or account data yet.
No recent lookups yet
Run a lookup and it will appear here on this device.
Common Email DNS Issues
Expand these only when you need extra context during troubleshooting.
Equal-priority MX records+
Common with redundant gateways. Check that every advertised host is reachable and monitored, or use MX Lookup to inspect priority distribution.
SPF lookup depth+
Long include chains can exceed the SPF 10-lookup limit and cause intermittent delivery failures. Trace includes and query costs with SPF Lookup.
Missing DMARC enforcement+
Domains often publish reporting but stay on p=none, which reduces spoofing protection. Review policy settings and destination mailboxes with DMARC Lookup.