Nmap scan report for resolver1.opendns.com (208.67.222.222)
Host is up (0.00059s latency).
Not shown: 97 filtered tcp ports (no-response)
PORT    STATE SERVICE
53/tcp  open  domain
80/tcp  open  http
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 4.55 seconds