SubDomainizer – Subdomain finder in Kali Linux

SubDomainizer  is a free and open-source tool available on GitHub. This tool is free means you can download and use this tool for free of cost. SubDomainizer is used for reconnaissance of subdomains. SubDomainizer is used for SubDomainizer of the target. 

This tool is used to find subdomains from a website/web-applications. Usually, what happens that it becomes very difficult for a security researcher to find subdomains from an HTTPS website or web application. This tool helps to get subdomains of all HTTPS websites.

 SubDomainizer tool is written in python, you must have python installed into your Kali Linux in order to use this tool. This tool comes with an awesome user interface. The user interface of the tool is very similar to Metasploitable1 and metsploitable2 which makes it very easy to run and use.

SubDomainizer

Features and uses of SubDomainizer:

• SubDomainizer is a free and open-source tool available on GitHub.
• SubDomainizer  is written in a Python  language. You must have python  installed in your kali Linux machine
• SubDomainizer  tool is used for reconnaissance of subdomains of  websites/webapplication.
• SubDomainizer  tool is used for information gathering.
• SubDomainizer  tool is used to find subdomains of the target.

Installation and step by step tutorial of SubDomainizer:

Step1:

 To install the tool,first move to desktop and then install the tool using the following commands.

cd Desktop

git clone https://github.com/nsonaniya2010/SubDomainizer.git

Step 2:

 The tool has been downloaded onto your machine now. Now move to the directory of the tool and use the following command to install the requirements.

cd SubDomainizer

pip3 install -r requirements.txt

Now all the installation process has been done into your Kali Linux machine. Now we will see the examples of using the tool.

Example 1: 

 Use the SubDomainizer tool to find the subdomains of website www.Facebook.com.

Use the following command to run the tool or to find all the subdomains of you target:-

python3 SubDomainizer.py -u http://www.facebook.com

Example 2 :

 Use the SubDomainizer tool to find the subdomains of website www.geeksforgeeks.org.

Use the following command to run the tool or to find all the subdomains of your target.

python3 SubDomainizer.py -u https://www.geeksforgeeks.org

We get these subdomains.

Example 3 :

Use the SubDomainizer tool to find the subdomains of website www.instagram.com

Use this command to run the tool or to find all the subdomains of your target.

python3 SubDomainizer.py -u http://www.instagram.com

You can see we got all the subdomains by using the SubDomainizer tool. This is how you can also find all the subdomains of your target using SubDomainizer tool.