Addresses checked: 172.217.217.27 (mail, aspmx.l.google.com), 172.253.116.27 (mail, alt1.aspmx.l.google.com), 74.125.137.27 (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.