Performing a basic port scan (nmap -F zimpler.com)
Nmap scan report for zimpler.com (172.234.96.18)
Host is up (0.17s latency).
rDNS record for 172.234.96.18: 172-234-96-18.ip.linodeusercontent.com
Not shown: 96 closed tcp ports (reset)
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
81/tcp open hosts2-ns
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 1.08 seconds