Addresses checked: 178.105.121.77 (web), 142.251.16.26 (mail, smtp.google.com), 142.251.16.27 (mail, smtp.google.com), 142.251.163.26 (mail, smtp.google.com), 142.251.163.27 (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.