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Nmap scan report for ns1.nsroot1.com (156.154.64.172) Host is up (0.00050s latency). rDNS record for 156.154.64.172: pdns172.ultradns.com Not shown: 999 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 53/tcp open tcpwrapped | dns-nsid: |_ bind.version: UltraDNS Nameserver Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Aggressive OS guesses: Linux 4.4 (93%), Crestron XPanel control system (92%), ASUS RT-N56U WAP (Linux 3.4) (90%), Linux 3.1 (90%), Linux 3.16 (90%), Linux 3.2 (90%), Linux 2.6.32 (89%), Linux 3.13 (89%), AXIS 210A or 211 Network Camera (Linux 2.6.17) (89%), HP P2000 G3 NAS device (89%) No exact OS matches for host (test conditions non-ideal). Network Distance: 8 hops TRACEROUTE (using port 53/tcp) HOP RTT ADDRESS 1 0.20 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177) 2 0.51 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 0.69 ms r2b4.n1.p1401.lax.multacom.net (64.69.46.11) 4 11.44 ms ce-1-4-2.a04.lsanca07.us.bb.gin.ntt.net (128.241.15.73) 5 ... 6 0.64 ms ae-0.a03.lsanca20.us.bb.gin.ntt.net (129.250.3.94) 7 0.58 ms xe-0-3-0-2.a03.lsanca20.us.ce.gin.ntt.net (129.250.202.70) 8 0.48 ms pdns172.ultradns.com (156.154.64.172) OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 18.16 seconds