Realizar un escaneo de puertos básico (nmap -F gvinue.shinyapps.io)
Nmap scan report for gvinue.shinyapps.io (54.82.67.239)
Host is up (0.068s latency).
Other addresses for gvinue.shinyapps.io (not scanned): 107.22.49.111 52.20.57.42 34.237.92.106 54.83.150.128 34.204.253.132
rDNS record for 54.82.67.239: ec2-54-82-67-239.compute-1.amazonaws.com
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 3.87 seconds