Denum is a simple tool using Python3 libraries to automate the searching of DNS records, whois records and reverse DNS records for a domain and its associated IP.
To install and run Denum do the following:
git clone https://github.com/nothing0x00/denum.git
cd denum
pip3 install -r requirements.txt
python3 denum.py -t [domain name]
All searches need to use the root domain name for information gathering, rather than subdomains, and domain names are formatted without the protocol (http, https, etc). For example:
python3 denum.py -t google.com