Transparency

We run Cactus on ourselves

A security tool should hold itself to the same standard it checks others against. Here are Cactus's own live results.

These results come from running Cactus's own checkers against cactus.net, refreshed hourly.

Encryption

SSL/TLS configuration

Email authentication

SPF, DKIM & DMARC

A
SPF
Present
DMARC
Present

Last checked 2026-06-04 20:41 UTC.

Reporting a security issue

Found a security issue? Email info@cactus.net or see our security.txt. We welcome responsible disclosure and will respond promptly.