Dnsenum is an excellent DNS enumeration tool. It is pre-installed on Kali Linux. Using this tool we can find out the complete DNS information of a website.
In this post, you will learn about how to use this dnsenum tool and how to use it to know all the DNS information of a website or IP address.
Use Dnsenum Tool in Linux
Access dnsenum tool in Linux
First, you need to open a terminal in your Linux and then type the following command into your terminal to learn how to use this tool.
dnsenum -h 
Complete DNS Search
Now you need to type the following command in the terminal to search for advance DNS. In this search, we can know all the basic information of our target.
For example, this complete search can find out the following information from your target website
- Host’s addresses
- Name Servers
- Mail (MX) Servers
- Scrapping subdomains from google
- DNS information
- Who is Queries
- Reverse lockups
- IP block list
So execute the following commands on your Linux terminal
dnsenum --enum (website name without www) 
Subdomain Search
Now if you want to know the subdomain of your target website then you need to create one small text file that file should be contain the following information
mailwwwwebmailservicesupportdevclientsadmin After creating the subdomain text file then run the following command in your terminal to know the target website subdomains
dnsenum -f (subdomain txt file) -r (website name without www) 
Not only this but you can get more information using dnsenum tool. I just wanted to describe how to use this dnsenum tool in this post and hope it did well.
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