Addresses checked: 216.24.57.16 (web), 216.24.57.18 (web), 142.250.0.26 (mail, smtp.google.com), 142.251.0.26 (mail, smtp.google.com), 142.251.0.27 (mail, smtp.google.com), 64.233.186.26 (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.