The host at this IP address is obviously operated by cybercriminals. It is running a malware botnet controller which is being used to control infected computers (bots) around the globe using a trojan horse.
Malware botnet controller located at 45.8.124.194 port 443:
$ telnet 45.8.124.194 443
Trying 45.8.124.194…
Connected to 45.8.124.194.
Escape character is ‘^]’
Malicious domains observed at this IP address:
checkoutmodules.biz. 600 IN A 45.8.124.194