Addresses checked: 23.94.96.102 (web), 185.205.69.211 (mail, mail.tutanota.de), 185.205.69.213 (mail, mail.tutanota.de), 185.205.69.214 (mail, mail.tutanota.de), 213.108.105.57 (mail, mail.anonaddy.me).
We check the web server and mail server IP addresses against free spam and malware blocklists. A listing usually means spam or malware was seen recently — follow the list’s own process to be removed.