TOOL TUTORIAL · Asset Discovery & DNS Intelligence

How to install and use Subfinder

Subfinder is a powerful subdomain discovery tool designed to identify subdomains for a given domain. It uses a variety of techniques, including passive DNS data, search engines, and various public data sources, to enumerate subdomains quickly and efficiently. It is commonly used…

Quick install: go install -v github.com/projectdiscovery/subfinder/v2/cmd/subfinder@latest

Installation steps

1. Install the Go language with sudo apt install golang-go
2. Run go install -v github.com/projectdiscovery/subfinder/v2/cmd/subfinder@latest
3. Add the Go bin folder to your PATH
4. Test it with subfinder -d example.com

See the full Subfinder reference →