Ports
Duration
Date
IP
Nmap scan report for ntp2.nber.org (198.71.6.3) Host is up (0.070s latency). rDNS record for 198.71.6.3: ns3.nber.org Not shown: 999 filtered tcp ports (no-response) PORT STATE SERVICE 113/tcp closed ident Nmap done: 1 IP address (1 host up) scanned in 10.23 seconds