AdminForge Star on GitHub

The self-hosted toolbox for sysadmins and security work.

Subnets, certificates, DNS, mail records, Windows error codes and the rest of the daily lookups — in one container you run yourself. Nothing is logged, nothing is sent to a third party, and the tools that touch secrets never leave your browser.

15 tools 6 categories MIT licensed Runs offline

SPF, DKIM and DMARC checker Check whether a domain's mail authentication would actually stop a spoofed message server