Sites

https://builtwith.com/

wappalyzer

https://securityheaders.com/

google

site:azena.com

site:azena.com -www

site:azena.com -www -store

site:azena.com filetype:pdf 

site:azena.com filetype:pdf password

crt.sh

%.azena.com

https://github.com/swisskyrepo/PayloadsAllTheThings