Addresses checked: 172.66.41.45 (web), 172.66.42.211 (web), 172.253.115.27 (mail, aspmx.l.google.com), 142.250.102.26 (mail, alt1.aspmx.l.google.com), 173.194.45.27 (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.