Performing a basic port scan (nmap -F onedrivelti.microsoft.com)
Nmap scan report for onedrivelti.microsoft.com (13.74.128.86)
Host is up (0.13s latency).
Not shown: 99 filtered ports
PORT STATE SERVICE
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 5.10 seconds