It is not just a script running every 90 days. It's also monitoring that the script didn't break, cron didn't break (you know, cron sometimes breaks after the P

It is not just a script running every 90 days. It's also monitoring that the script didn't break, cron didn't break (you know, cron sometimes breaks after the PAM package update), your account didn't get banned, and that your domain name is not affected by a mass revocation.