Addresses checked: 23.227.38.65 (web), 23.227.38.74 (web), 192.178.223.26 (mail, aspmx.l.google.com), 172.253.135.26 (mail, alt2.aspmx.l.google.com), 172.217.216.27 (mail, alt1.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.