Email Domain Health Checker
Check whether a sending domain has the core DNS, mail, SPF, DKIM discovery, DMARC, and reputation signals needed before email marketing sends.
Start Here
Enter a domain and run Email Domain Health Checker.
Review the Domain Health Checker Result
Review the status, warnings, and recommended actions shown in the result panel.
Ready When You Are
Run Email Domain Health Checker to see the Domain Health Checker result and next actions.
About Email Domain Health Checker
A sending domain has several public signals that work together. MX, SPF, DKIM, DMARC, BIMI, MTA-STS, TLS reporting, and basic DNS identity all tell inbox providers something about whether the domain is maintained and trustworthy. The email domain health checker gives a broad view without replacing the deeper single-purpose tools. For the main setup sequence, read Sender Domains and Email Authentication.
Use the email domain health checker when you want a quick domain-level audit before sending from a new brand domain, subdomain, or email delivery setup. The result helps you decide which specialized checker to open next, such as SPF, DKIM, DMARC, BIMI, or TLS reporting. If the domain has mail-server identity issues, DNS, PTR, and Reverse DNS explains the DNS pieces in plain language.
What Email Domain Health Checker Checks
- MX records and mail server hosts
- SPF record presence and basic risk
- DMARC policy presence and enforcement level
- Common DKIM selector discovery
- Mail-server IP lookup
- Prioritized sender-domain fix plan
Questions
Is this the same as the SPF, DKIM, and DMARC checkers?
No. The email domain health checker gives an overview and priority order. The SPF, DKIM, and DMARC checkers inspect one record in more depth.
Can this prove inbox placement?
No. The email domain health checker reviews sender-domain readiness signals. Inbox placement also depends on list quality, complaints, engagement, content, and mailbox-provider filtering.