Security tool · recon
subzy
Purpose-built subdomain takeover checker with an up-to-date fingerprint set and low false positives. Complements nuclei's takeover templates.
Overview
Where subzy fits
Purpose-built subdomain takeover checker with an up-to-date fingerprint set and low false positives. Complements nuclei's takeover templates.
Detection-first use
Start with the least intrusive template that can distinguish your hypothesis from a normal response. Preserve raw output and a negative control.
Install
Installation references
Install with goAuthorization required
go install -v github.com/PentestPad/subzy@latest- Positive signal
- Tool-specific output that supports the stated hypothesis.
- Negative control
- No result, or identical behavior against a known-safe control.
- Intrusiveness
- Review flags and target scope before execution.
Test safely
Command templates
Check listAuthorization required
Populate placeholders only with assets that are explicitly in scope.
subzy run --targets {input}- Positive signal
- Tool-specific output that supports the stated hypothesis.
- Negative control
- No result, or identical behavior against a known-safe control.
- Intrusiveness
- Review flags and target scope before execution.
Related
Continue the workflow
Sources
Attribution and verification
Version history: normalized permanent page created 2026-08-20. Upstream activity and popularity are separate signals and do not establish tool safety.