Please dont clone. Currently broken and being worked on
Flashlist3r is a python2 based program that enumerates subdomains of any given domain.This program gives you access to over 100+ subdomains depending on the domain you are enumerating.Its recommend for Pentesters, Security Researchers and Bug Hunters
git clone https://github.com/that-faceless-coder/flashlist3r.git
cd flashlist3r/
chmod +x flashlist3r.py
python flashlist3r.py
Enter url: facebook.com
Note: input command:facebook.com and not "www.facebook.com"
Feel free to modify the program to your own preference
Don't forget to give credits, suggestions on IG:that_faceless_coder