Addresses checked: 188.114.96.1 (web), 188.114.97.1 (web), 17.42.251.62 (mail, mx01.mail.icloud.com), 17.56.9.31 (mail, mx01.mail.icloud.com), 17.57.152.5 (mail, mx01.mail.icloud.com), 17.57.154.33 (mail, mx01.mail.icloud.com).
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.