Addresses checked: 164.92.151.106 (web), 52.101.185.114 (mail, kees-one.mail.protection.outlook.com), 52.101.185.24 (mail, kees-one.mail.protection.outlook.com), 52.101.68.10 (mail, kees-one.mail.protection.outlook.com), 52.101.68.25 (mail, kees-one.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.