Addresses checked: 74.91.138.144 (web), 108.177.121.27 (mail, smtp.google.com), 142.250.152.27 (mail, smtp.google.com), 172.217.214.26 (mail, smtp.google.com), 173.194.206.26 (mail, smtp.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.