JANUS // external scan

Passive · read-only · takes ~20 seconds

See what the internet already sees about your site.

Run a passive external scan of your domain's TLS configuration, security headers, DNS & email protections, and software hygiene — no login, no agents installed, no changes made.

scan.janus.sh
$

No login required for a basic scan. Results in seconds.

Or view a sample report →
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data stored without consent
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passive, non-intrusive