Addresses checked: 216.198.79.1 (web), 52.101.40.0 (mail, ack-art.mail.protection.outlook.com), 52.101.60.151 (mail, ack-art.mail.protection.outlook.com), 52.101.60.179 (mail, ack-art.mail.protection.outlook.com), 52.101.9.90 (mail, ack-art.mail.protection.outlook.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.