Addresses checked: 172.64.80.1 (web), 104.21.56.206 (web), 172.67.136.172 (web), 52.101.103.143 (mail, ventd-com01b.mail.protection.outlook.com), 52.101.103.39 (mail, ventd-com01b.mail.protection.outlook.com), 52.101.185.21 (mail, ventd-com01b.mail.protection.outlook.com), 52.101.209.153 (mail, ventd-com01b.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.