Nmap scan report for health.apple.com (17.253.142.4)
Host is up (0.011s latency).
Not shown: 97 filtered tcp ports (no-response)
PORT     STATE  SERVICE
80/tcp   open   http
443/tcp  open   https
8443/tcp closed https-alt

Nmap done: 1 IP address (1 host up) scanned in 2.06 seconds