Understand your domain’s email setup.
Find its mail provider, understand the DNS records and explore saved observations. For a new domain, request an express check and start a daily history.
Try: google.com · shopify.com · github.com
See what is configured
Read the observed DNS records with explanations of their role in mail, your website and domain management.
Compare dated evidence
Explore the snapshots actually saved for a domain. We show when history starts and which checks were unavailable.
Catch the next change
Confirm an email subscription for health alerts, or test a real message to inspect inbox placement.
86,508 saved domain pages from the Tranco research dataset · snapshot 2026-09-07. User-added domain observations form a separate group; their daily snapshots do not change the Tranco study’s denominators.
Want to know where your mail actually lands —
inbox or spam? Run a real message test using the providers currently available.
Test My Email