Addresses checked: 18.66.102.126 (web), 18.66.102.20 (web), 18.66.102.50 (web), 18.66.102.68 (web), 52.101.41.125 (mail, rtvc-gov-co.mail.protection.outlook.com), 52.101.41.26 (mail, rtvc-gov-co.mail.protection.outlook.com), 52.101.42.81 (mail, rtvc-gov-co.mail.protection.outlook.com), 52.101.42.87 (mail, rtvc-gov-co.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.