Free - results are never published
free domain check
TLS and header check
Check your TLS certificate and security headers, then see the concrete fixes immediately.
Run one domain check now. The result stays private and is never published.
transport security and web security headers
A standalone check that fits the same score.
The free domain check is przm's first blue wavelength. Start without a connection, see instantly where it pinches, and use the same baseline later in Spectrum and Lens.
✓TLS and security headers
✓SPF, DKIM and DMARC
✓Known breach exposure
✓Free monthly monitoring after consent