Roundsphere
Roundsphere (DKIMValidator.com) is a free tool that checks DKIM, SPF, and SpamAssassin scores of test emails. · Roundsphere · Security
Overview
Roundsphere offers a free, web-based tool for validating DKIM and SPF records and SpamAssassin scores, helping users troubleshoot and verify email authentication configurations.
Good fit
Use Roundsphere when you need to quickly validate DKIM and SPF setup for outgoing emails without registration.
- email admins
- developers
- IT support
Not a fit
Do not use if you require automated or API-based validation, or need to test high email volumes programmatically.
- need API access
- require bulk validation
- need enterprise support
Quickstart · 4 steps
- Go to https://dkimvalidator.com/
- Copy the provided email address.
- Send a test email from your system to the address.
- View the analysis results on the website.
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