Nmap scan report for ns1-191.akam.net (193.108.91.191) Host is up (0.00094s latency). Other addresses for ns1-191.akam.net (not scanned): 2600:1401:2::bf Not shown: 999 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 53/tcp open domain (unknown banner: 43363.7) | dns-nsid: | id.server: 43363.7 |_ bind.version: 43363.4 | fingerprint-strings: | DNSVersionBindReqTCP: | version | bind |_ 43363.7 1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at https://nmap.org/cgi-bin/submit.cgi?new-service : SF-Port53-TCP:V=7.92%I=7%D=7/6%Time=686AFA12%P=x86_64-redhat-linux-gnu%r(D SF:NSVersionBindReqTCP,34,"\x002\0\x06\x85\0\0\x01\0\x01\0\0\0\0\x07versio SF:n\x04bind\0\0\x10\0\x03\xc0\x0c\0\x10\0\x03\0\0\0\0\0\x08\x0743363\.7"); Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Aggressive OS guesses: Android 6.0.1 (Linux 3.10) (95%), Android 6.0.1 (Linux 3.18) (95%), Android 6.0.1 (95%), ASUS RT-N56U WAP (Linux 3.4) (92%), Linux 3.1 (92%), Linux 3.16 (92%), Linux 3.2 (92%), Android 4.0.1 - 4.0.4 (Linux 3.0) (92%), AXIS 210A or 211 Network Camera (Linux 2.6.17) (92%), HP P2000 G3 NAS device (91%) 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 0.61 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 0.74 ms r2b4.n1.p1401.lax.multacom.net (64.69.46.11) 4 5.37 ms 206.72.211.131.any2ix.coresite.com (206.72.211.131) 5 ... 7 8 0.91 ms ns1-191.akam.net (193.108.91.191) 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 36.64 seconds