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 194.87.1.18 on port 443:
$ telnet 194.87.1.18 443
Trying 194.87.1.18…
Connected to 194.87.1.18.
Escape character is ‘^]’
Malicious domains observed on this IP address:
avyanok.com. 600 IN A 194.87.1.18
biopiof.at. 600 IN A 194.87.1.18
cajlat.fun. 600 IN A 194.87.1.18
clickclckjack.at. 600 IN A 194.87.1.18
dangerboy.at. 600 IN A 194.87.1.18
ikaryto.com. 600 IN A 194.87.1.18
immontyr.com. 600 IN A 194.87.1.18
intoolkom.at. 600 IN A 194.87.1.18
intooltak.com. 600 IN A 194.87.1.18
intromons.com. 600 IN A 194.87.1.18
irolano.com. 600 IN A 194.87.1.18
microsoftsofymicrosoftsoft.at. 600 IN A 194.87.1.18
querosityproject.com. 600 IN A 194.87.1.18
redhatbabby.at. 600 IN A 194.87.1.18