recon >> 


certificate >>>> 
https://crt.sh/
https://search.censys.io/
https://developers.facebook.com/tools/ct/

search engine >>

https://www.shodan.io/dashboard
https://www.shodan.io/search/facet
https://hunter.how/list?searchValue=web.body%3D%22%2Fwp-content%2Fplugins%2Fum-user-locations%2F%22
https://www.reversewhois.io/
https://bgp.he.net/
https://securitytrails.com/
https://dorks.faisalahmed.me/#
https://dehashed.com/
https://dorkking.blindf.com/
https://urlscan.io/search/#*
https://hunter.how/list?searchValue=
https://dnsdumpster.com/
https://github.com/search?type=code


subdomain >>>>

https://chaos.projectdiscovery.io/#/
https://www.virustotal.com/gui/domain/gopro.com/relations
https://shrewdeye.app/search/
https://rapiddns.io/subdomain/snapchat.com#result

JWT  >>>>
jwt.io