Addresses checked: 104.21.65.24 (web), 172.67.139.220 (web), 172.64.80.1 (web), 192.178.223.26 (mail, aspmx.l.google.com), 172.253.157.26 (mail, alt1.aspmx.l.google.com), 192.179.30.26 (mail, alt2.aspmx.l.google.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.