http://certbot.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/pages/privacy
Information Collection Certbot locally stores a variety of information provided by you, including internal housekeeping information created by the ACME protocol, the certificate information (domain name, public key, time, and specifically selected options), the IP address of the server, a user agent string, which is the operating system the server is running, plus which plugins you're using with Certbot.