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 184.108.40.206 on port 40225 TCP:
$ telnet 220.127.116.11 40225
Connected to 18.104.22.168.
Escape character is ‘^]’
$ dig +short petrol-chem108.duckdns.org
Referencing malware samples: