Nmap scan report for ntp1.kansas.net (64.6.144.6) Host is up (0.049s latency). rDNS record for 64.6.144.6: triangle.kansas.net Not shown: 983 filtered tcp ports (no-response), 9 filtered tcp ports (port-unreach) PORT STATE SERVICE VERSION 25/tcp open smtp Sendmail (Not accepting mail) | smtp-commands: triangle.kansas.net Hello 208.76.253.234.rdns.ColocationAmerica.com [208.76.253.234] (may be forged), pleased to meet you, ENHANCEDSTATUSCODES, PIPELINING, 8BITMIME, SIZE, DSN, ETRN, DELIVERBY, HELP |_ 2.0.0 This is sendmail version 8.14.4 2.0.0 Topics: 2.0.0 HELO EHLO MAIL RCPT DATA 2.0.0 RSET NOOP QUIT HELP VRFY 2.0.0 EXPN VERB ETRN DSN AUTH 2.0.0 STARTTLS 2.0.0 For more info use "HELP ". 2.0.0 To report bugs in the implementation send email to 2.0.0 sendmail-bugs@sendmail.org. 2.0.0 For local information send email to Postmaster at your site. 2.0.0 End of HELP info 53/tcp closed domain 80/tcp closed http 465/tcp open ssl/smtps? |_smtp-commands: SMTP EHLO ntp1.kansas.net: failed to receive data: connection closed 3784/tcp closed bfd-control 8000/tcp closed http-alt 8001/tcp closed vcom-tunnel 8002/tcp closed teradataordbms Aggressive OS guesses: Linux 2.6.32 - 3.10 (99%), Linux 2.6.32 - 3.5 (97%), Linux 2.6.32 - 3.13 (96%), Android 4.1 (Linux 3.0) (96%), Tizen (96%), Linux 2.6.32 (96%), Linux 3.2 - 4.9 (96%), Netgear ReadyNAS 2100 (RAIDiator 4.2.24) (96%), Linux 2.6.38 - 3.0 (95%), Linux 5.0 - 5.3 (95%) No exact OS matches for host (test conditions non-ideal). Network Distance: 11 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 0.59 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 1.66 ms r2b4.n1.p1401.lax.multacom.net (64.69.46.11) 4 1.31 ms hurricane-electric.as6939.any2ix.coresite.com (206.72.210.122) 5 8.90 ms port-channel9.core1.phx2.he.net (184.104.194.98) 6 ... 7 8 46.48 ms wtc.e0-43.switch2.mci3.he.net (184.105.63.221) 9 48.82 ms 106.ksnet.wtcks.net (216.147.230.106) 10 48.08 ms 64.6.139.2 11 49.41 ms triangle.kansas.net (64.6.144.6) 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 37.56 seconds