Nmap scan report for ns-756.awsdns-30.net (205.251.194.244) Host is up (0.010s latency). Other addresses for ns-756.awsdns-30.net (not scanned): 2600:9000:5302:f400::1 Not shown: 999 filtered tcp ports (no-response) PORT STATE SERVICE 53/tcp open domain Nmap done: 1 IP address (1 host up) scanned in 7.16 seconds