TOOL TUTORIAL · DNS Analysis & Infrastructure Discovery
How to install and use Fierce
Fierce is a reconnaissance tool used to find non-contiguous IP space and hostnames against specified domains. It is particularly useful for identifying all subdomains and IP ranges associated with a domain, making it an important tool for penetration testers and security researc…
Quick install:
sudo apt install fierce
Installation steps
- Update your package list with sudo apt update
- Install with sudo apt install fierce
- You can also install the Python version with pip install fierce
- Check it works by running fierce -h to see the options
- Have a subdomain wordlist ready for the guessing mode