DNS Information is crucial when Hacking / Pen-testing is your interest. Different servers related to a Organization or domain are very important to narrow the Hacking attack as in which server are are attacking has what information on it, it may be a mail server or name servers .

Lets see how we gather Information related to DNS from DNSEnum or say DNS-Enumerator.

DNSEnum is present in Kali Linux or any other Security / Hacking / Pentest Linux Distribution, navigate through Applications or in terminal type dnsenum and hit enter.

Next Step is going through the available Options and Arguments of DNSEnum

Start with the simplest argument

Now we try getting the sub-domains of a domain which is very important, for this we need to have a file of the popular sub-domains, in this case to show i have created a small file which I will use to scan google.com

The following command in terminal will scan the sub-domains also (subdomain.txt is name of file you created)

dnsenum -f subdomain.txt google.com

The result is:

Like wise the arguments can be used to run multiple threads for scanning.

Hope this information was useful to you start information gathering and hacking, we will cover few more techniques to gather information related to our target victim in the upcoming tutorials.

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