Addresses checked: 15.197.148.33 (web), 3.33.130.190 (web), 52.101.10.12 (mail, teb-dev.mail.protection.outlook.com), 52.101.40.0 (mail, teb-dev.mail.protection.outlook.com), 52.101.41.183 (mail, teb-dev.mail.protection.outlook.com), 52.101.9.24 (mail, teb-dev.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.