Effectuer une analyse de port de base (nmap -F mail.ionos.com)
Nmap scan report for mail.ionos.com (74.208.255.201)
Host is up (0.047s latency).
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 3.28 seconds