What is Subfinder
Subfinder is a subdomain discovery tool that discovers valid subdomains for websites by using passive online sources. It has a simple modular architecture and is optimized for speed. subfinder is built for doing one thing only – passive subdomain enumeration, and it does that very well.
Install using Golang
go install -v github.com/projectdiscovery/subfinder/v2/cmd/[email protected]
How to use Subfinder
Run Subfinder using this command
subfinder -d hackerone.com

Other Features




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