Enumerating DNS using the dnsenum command
Similar to dnsrecon
, dnsenum
is a tool used for enumerating DNS information. The dnsenum
script is a multithreaded Perl script written by Filip Waeytens for conducting DNS reconnaissance. It can be used to enumerate DNS information of a domain in order to find non-contiguous IP blocks. It not only helps discover non-contiguous IP blocks, but also provides several other types of information, such as the A record of the host's address, threaded nameservers, threaded MX record, and threaded bind version.
Getting ready
The dnsenum
script comes preinstalled on Kali Linux. If you are using a different Linux/Unix distribution, it can be downloaded and installed from https://github.com/fwaeytens/dnsenum.
How to do it…
To see usage information for the dnsenum
command, run the following command from a Terminal:
dnsenum -h

Default settings
If we run dnsenum
without any flags, it will be run with the default settings. Those default settings are the following:
thread...