A command-line tool for discovering domains and subdomains related to a target domain during reconnaissance activities.
Checked October 2026.
assetfinder is a command-line tool designed for domain and subdomain discovery during reconnaissance activities.
The tool accepts a target domain as input and searches for related domains and subdomains that may be associated with the target organization. It provides options to save results to output files and control the scope of the search through configurable parameters.
Key features include:
The tool is commonly used in the reconnaissance phase of security assessments to identify potential attack surfaces and discover additional assets belonging to a target organization.
No core features are listed for this product yet, so check the vendor's documentation for the full feature list.
No integrations are listed for this product yet. Check the vendor's documentation, or ask the vendor which integrations and APIs it supports.
Common questions about assetfinder: features, pricing and alternatives.
assetfinder is a product in the External Attack Surface Management category. It covers Enumeration, Reconnaissance and Network Reconnaissance.
assetfinder is free. Download and setup instructions are at https://github.com/tomnomnom/assetfinder/.
Alternatives to assetfinder listed on CybersecTools:
Compare all assetfinder alternatives at https://cybersectools.com/alternatives/assetfinder
assetfinder is available as on-premises software. It is listed for startups, small businesses, mid-market companies and enterprises. It is free.
Side by side: features, pricing model and the company behind each one.
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assetfinder is not a pick on the current Best Attack Surface Management Solutions for Business.
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