LIVE DIAGNOSTIC
NOT TESTEDRun Email Security Check
Fetches DNS TXT and MX records from public DNS resolvers, then explains which email authentication policies are published.
Your test results will appear here. Nothing runs until you press the button.
Full tests run only after you start them. Public tools need no extension. An optional extension status check may run in Chrome. Results are not saved to your DI VPN account.
What this tool checks
See whether a domain publishes basic anti-spoofing configuration.
Browser-based diagnostic, no extension required
Results appear on DI VPN without leaving the page
Clear limitations and no invented protection verdicts
How to run the test
- Enter the requested input, if any.
- Press Run test or Generate.
- Read the output and its interpretation.
Important limitation
SPF and DMARC records alone do not prove messages pass authentication. DKIM requires a known selector from a real signed message.