Nmap scan report for petronas.com (4.144.136.71)
Host is up (0.22s latency).
Not shown: 97 filtered tcp ports (no-response)
PORT     STATE SERVICE
80/tcp   open  http
443/tcp  open  https
8443/tcp open  https-alt

Nmap done: 1 IP address (1 host up) scanned in 6.04 seconds