Black Hills Information Security DNS Triage vs tko-subs: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Black Hills Information Security DNS Triage is a commercial offensive security tool by Black Hills Information Security. tko-subs is a free offensive security tool. Compare features, ratings, integrations, and community reviews side by side to find the best offensive security fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Black Hills Information Security DNS Triage
Penetration testers and offensive security teams validating attack surface coverage will find real value in Black Hills Information Security DNS Triage for subdomain enumeration and third-party service discovery that testing frameworks often miss. The tool maps directly to NIST ID.AM and ID.RA functions, giving you asset visibility and risk context before you run exploits. Skip this if you're looking for continuous DNS monitoring or threat detection; this is a recon workbench, not a defensive control.
Pentesters and bug bounty hunters looking to quickly identify subdomain takeover opportunities should reach for tko-subs; it's purpose-built for finding dead DNS records that expose attackers to domain hijacking, and the 766 GitHub stars reflect active use in offensive security communities. The tool excels at the reconnaissance phase where speed matters, automating what would otherwise be manual domain validation across hundreds of subdomains. Skip this if you need deeper DNS validation, certificate transparency correlation, or integration with broader asset discovery platforms; tko-subs does one thing and doesn't attempt the ecosystem around it.
