The host at this IP address 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 at 194.87.253.110 on port 443:
$ telnet 194.87.253.110 443
Trying 194.87.253.110…
Connected to 194.87.253.110.
Escape character is ‘^]’
Malicious domains observed at this IP address:
de-ap-signin-encoding-ot-b3e-f05-b9e-45-ei.top. 600 IN A 194.87.253.110
de-home-privatkunden-online-4420-3.info. 600 IN A 194.87.253.110
de-myaccount-nd-db1-9c5-2-rg.top. 600 IN A 194.87.253.110
de-myaccount-sicherheitscenter-036-5-bk.top. 600 IN A 194.87.253.110
de-myaccount-sicherheitscenter-d95-f-ws.top. 600 IN A 194.87.253.110
de-myaccount-sicherheitscenter-gh-48f-c49-c-rg.ru. 600 IN A 194.87.253.110
de-myaccount-sicherheitscenter-ne-d87-aa5-f-iz.ru. 600 IN A 194.87.253.110
de-myaccount-sicherheitscenter-ug-efd-b4b-6-lh.ru. 600 IN A 194.87.253.110