Addresses checked: 103.21.141.130 (web), 113.10.158.188 (mail, mx1.chengmail.cn), 59.188.255.22 (mail, mx1.chengmail.cn), 103.143.231.69 (mail, mx2.chengmail.cn), 113.10.158.179 (mail, mx2.chengmail.cn).
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.