curl -sSL https://raw.githubusercontent.com/GlTIab/crt.sh/main/crt.sh | bash -s example.com

OR

bash srt.sh example.com

Replace example.com with the desired domain name.

Check if a domain argument is provided. If not, display usage instructions and exit.

Set the specified domain as the target.

Encode the target domain for use in the URL.

Download the HTML content from crt.sh for all subdomains of the specified domain.

Extract subdomains from the HTML content.

Save the extracted subdomains into a text file named example.com-crt.txt

Display a success message.