Open Source Transparency
Open Source Tools We Use
Subdomain discovery uses trusted, community-built tooling. We combine multiple tools and sources to improve coverage and reduce blind spots.
Tools
Licenses are listed per upstream project.
subfinder
Fast passive subdomain discovery built for recon workflows.
MIT
Repository
assetfinder
Simple subdomain discovery utility for passive asset collection.
MIT
Repository
OWASP Amass
In-depth asset discovery using multiple data sources.
Apache-2.0
Repository
findomain
Cross-platform subdomain discovery focused on speed.
GPL-3.0
Repository
Data Sources
Used to enrich subdomain coverage.
Certificate Transparency (crt.sh)
Certificate Transparency logs queried for related subdomains.