assetfinder

Find domains and subdomains related to a given domain

Platforms: Linux · Last verified September 6, 2026

assetfinder is a command-line tool designed to find domains and subdomains associated with a specific domain.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

See the official Kali tool page and upstream homepage linked above for installation and usage details.

Debian-based distribution built for penetration testing and security auditing