Email DNS Checker
Validate MX, SPF, DMARC, and DKIM-related DNS records to improve email deliverability and authentication.
Enter the root domain without a protocol, for example <code>example.com</code>.
Enter DKIM selectors separated by commas if you know them. Example: google, default, or selector1.
What will be checked?
- MX for inbound mail routing
- SPF for sender authorization
- DMARC for policy and reporting
- Optional DKIM selectors for email signing checks
- A health score plus deliverability recommendations
What does this tool do?
Validate MX, SPF, DMARC, and DKIM-related DNS records to improve email deliverability and authentication.
This tool is part of our Server & Hosting Tools collection, which focuses on monitor and analyze your hosting stack and website infrastructure.
When should you use it?
Daily troubleshooting
Use this tool when you need a faster way to validate technical assumptions before changing live infrastructure or application settings.
Operational review
It is also useful for audits, incident response, migration planning, and general website maintenance work.
How to use this tool
- Prepare the input you want to test or generate.
- Run the tool and review the output or validation result.
- Copy the result or use the findings to guide your next technical step.
Why it matters
Small technical checks often prevent larger production issues. A quick verification flow saves time, reduces guesswork, and helps teams move with more confidence.