Free security tools

Quick, focused checks for individual parts of your external security posture. Each tool is free and includes prescriptive remediation guidance. For the full picture, run a complete external scan.

• DMARC CheckerCheck your DMARC record and policy for spoofing protection.
• SPF CheckerValidate your SPF record and detect misconfigurations.
• SSL/TLS CheckerInspect your certificate for expiry, chain, and protocol issues.
• Email Security CheckAnalyse SPF, DKIM, DMARC, and MX records together.
• Security Headers CheckReview HSTS, CSP, X-Frame-Options, and other HTTP headers.