scan purpose of certificate transparency and of the tools and logs for PKI

[zelinverse]

scanning the ct (ie ct.clousldflare.com) you can see lists of certs embedded with SCTs in certs, as well as other resources that can enhance cloudflare and normal x509 certs issued by Cert Auths like lat's encrypt and others, utils used like sct.sh (github.com/crtsh/) for example or https://crt.sh/?q=hotmail.com or crt.sh/?q=.onion )