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cnames is a free external attack surface management tool. Projectdiscovery.io | Chaos is a free external attack surface management tool. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack.
Based on our analysis of available product data, here is our conclusion:
Security teams managing large subdomain inventories who need to quickly identify third-party service dependencies will find cnames valuable for that single, unglamorous job. The tool does one thing well: bulk CNAME resolution at no cost, which means you can run it repeatedly without justifying recurring spend to procurement. This is a CLI utility, not a platform; it won't replace your external attack surface management tool, but it will save time in the reconnaissance phase before you feed results into one.
Security teams running bug bounty programs or managing external reconnaissance workflows will get the most from Projectdiscovery.io Chaos; it discovers subdomains and assets faster than manual enumeration and integrates cleanly into existing scanning pipelines without licensing friction. The tool's free model means you can run it at scale across your full attack surface without per-scan costs, which matters when you're doing continuous discovery. Skip this if you need a managed SaaS platform that handles remediation workflows or integrates with your ticketing system; Chaos is a standalone enumeration engine that assumes you already have downstream tools for validation and response.
A tool for taking a list of resolved subdomains and outputting any corresponding CNAMES en masse.
A powerful enumeration tool for discovering assets and subdomains.
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Common questions about comparing cnames vs Projectdiscovery.io | Chaos for your external attack surface management needs.
cnames: A tool for taking a list of resolved subdomains and outputting any corresponding CNAMES en masse..
Projectdiscovery.io | Chaos: A powerful enumeration tool for discovering assets and subdomains..
Both serve the External Attack Surface Management market but differ in approach, feature depth, and target audience.
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