Guardz External Footprint vs tko-subs: side-by-side comparison (2026)

Guardz External Footprint: External attack surface monitoring with dark web intelligence and scanning. Built by Guardz.

tko-subs: A tool for detecting and taking over subdomains with dead DNS records.

The table above shows where their features, integrations, deployment and company size fit differ.

Guardz External Footprint is made by Guardz. tko-subs is open-source with 766 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Guardz External Footprint and tko-subs are both External Attack Surface Management products. Key differences: Guardz External Footprint is Commercial while tko-subs is Free, tko-subs is open-source. Use the table above to see where features, deployment and company size fit differ.