Validator for DKIM, SPF, DMARC and SSL

With this tool, you can validate important authentication mechanisms like DKIM, SPF, DMARC, and additionally check some security-related features like the SSL connectivity.

Step 1: Send an email to the following email address:
Note: The subject line and body text of the email can both be empty.

Step 2: Enter the sender email address

Privacy notice: All data collected on this page is being deleted 30 minutes after submission. We do not store any of your data permanently.