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 104.41.13.0 on port 1996 TCP:
$ telnet 104.41.13.0 1996
Trying 104.41.13.0…
Connected to 104.41.13.0.
Escape character is ‘^]’
$ dig +short windwosupdate.ddns.net
104.41.13.0
Referencing malware samples (MD5 hash):
04e2a785842f566141a6883866630e9b — AV detection: 44 / 69 (63.77%)
a71e7046c51e5c2687043a818e044cc9 — AV detection: 51/69 (73.91%)