Simple Python Recon tool to find subdomains with crt.sh
$ git clone https://github.com/mathis2001/Cert4Recon.git
$ cd Cert4Recon
$ python3 cert4recon.py
$ ./cert4recon.py [-h] -t target [-o output file] [-a]
-h help
-t target
-o output file (exemple.txt)
-a show alive subdomains