Simple utility for finding CNAME's in a long list of subdomains. Useful for subdomain takeovers
Usage:
-f <input_file_path> -o <output_file_name_and_path> -v <verbose mode>
Instructions:
git clone https://github.com/jleuth/cnamefinder.git
cd cnamefinder
sudo chmod 700 cnamefinder.sh
./cnamefinder.sh
Input file formatting:
subdomain.example.com
subdomain2.example.org
subdomain3.example.gov
(Also works for apex domains)