altdns is a free external attack surface management solution. Vulneri ASM is a commercial external attack surface management solution by Vulneri. Features, integrations, deployment and the company behind each one, side by side.
A tool for generating permutations, alterations and mutations of subdomains and resolving them
ASM platform for continuous discovery and risk validation of internet-exposed assets.
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Based on what each listing shows: deployment, company size, price and open source.
altdns fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
Vulneri ASM fits if you want a cloud product.
Common questions when comparing altdns vs Vulneri ASM for external attack surface management.
altdns: A tool for generating permutations, alterations and mutations of subdomains and resolving them.
Vulneri ASM: ASM platform for continuous discovery and risk validation of internet-exposed assets. Built by Vulneri.
The table above shows where their features, integrations, deployment and company size fit differ.
altdns is open-source with 2,439 GitHub stars. Vulneri ASM is made by Vulneri. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. altdns and Vulneri ASM are both External Attack Surface Management products, and both cover Reconnaissance. Key differences: altdns is Free while Vulneri ASM is Commercial, altdns is open-source. Use the table above to see where features, deployment and company size fit differ.
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