Fierce – Domain DNS Scanner - Kali Linux Tutorials

Information Gathering Tools KP December 22, 2018 0 Comments

Fierce – Domain DNS Scanner

Information gathering is the most crucial part of performing a pen test. What is the process of our pen test is depend on all the information we gathered. So this is very important to collect as much as data before jumping into exploitation stage.

In this post we are going to talk about a very popular DNS scanner tool, the name of the tool is fierce.

Fierce comes pre-installed in Kali Linux and it is very simple to use.

Open the Terminal and type following command to see what fierce can do :

fierce -h

The following screenshot is the help menu of fierce :

When we want to do a subdomain scan we use the following command :

fierce -dns example.com -threads 10

The following screenshot is showing the scan result of google.com with threads count 10.

KP AKA Koushik Pal is a Security researcher and specialist focused on educating about Linux for cybersecurity and URL‑masking vulnerabilities. Creator of MaskPhish, a well‑known open‑source bash-based URL‑masking tool. Linux enthusiasts Active speaker, trainer, and advocate for secure web practices.