CertCrunchy is just a silly python script that either retrieves SSL Certificate based data from online sources, currently https://crt.sh/, https://certdb.com/, https://sslmate.com/certspotter/ and https://censys.io or given a IP range it will attempt to extract host information from SSL Certificates. If you want to use Censys.io you need to register for a API key.
Also Read Hcxdumptool – Small Tool To Capture Packets From WLAN Devices
git clone https://github.com/joda32/CertCrunchy.git
cd CertCrunchy
sudo pip3 install -r requirements.txt
Very simply -d to get hostnames for specific domain
All API keys are stored in the api_keys.py file, below is a list of supported APIs requiring API keys.
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