$ ping coriolis.io
PING coriolis.io (104.24.117.234) 56(84) bytes of data.
64 bytes from 104.24.117.234: icmp_seq=1 ttl=59 time=29.7 ms
64 bytes from 104.24.117.234: icmp_seq=2 ttl=59 time=29.6 ms
64 bytes from 104.24.117.234: icmp_seq=3 ttl=59 time=29.5 ms
^C
--- coriolis.io ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2660ms
rtt min/avg/max/mdev = 29.591/29.663/29.703/0.205 ms
$ nmap coriolis.io -p 443
Starting Nmap 6.40 ( http://nmap.org ) at 2020-04-16 11:46 +04
Nmap scan report for coriolis.io (104.24.116.234)
Host is up (0.044s latency).
Other addresses for coriolis.io (not scanned): 104.24.117.234
PORT STATE SERVICE
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 6.71 seconds
That is what I had been seeing. I can now reach the site and even downloaded the web app. Thank you.