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Nmap scan report for mx2.a.mail.umich.edu (3.137.10.108) Host is up (0.058s latency). Other addresses for mx2.a.mail.umich.edu (not scanned): 3.136.164.107 3.20.94.70 rDNS record for 3.137.10.108: ec2-3-137-10-108.us-east-2.compute.amazonaws.com Not shown: 999 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 25/tcp open smtp? | fingerprint-strings: | GenericLines: | 220 jazzy-urisk.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | Command unrecognized | Command unrecognized | GetRequest, HTTPOptions: | 220 liberal-undine.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | Command unrecognized | Command unrecognized | Hello: | 220 optimum-gaki.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | Syntax error in parameters or arguments: RFC 5321 section 4.1.1.1: "EHLO" SP Domain CRLF | Help: | 220 paramount-korrigan.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | Requested action aborted: service temporarily unavailable | NULL: | 220 optimum-gaki.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | RPCCheck: | 220 liberal-undine.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | Command unrecognized | RTSPRequest: | 220 exuberant-wight.mx.a.mail.umich.edu Simple Internet Message Transfer Agent ready | Command unrecognized |_ Command unrecognized |_smtp-commands: enticing-pwca.mx.a.mail.umich.edu Hello mx2.a.mail.umich.edu 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-Port25-TCP:V=7.92%I=7%D=12/24%Time=676ABC3F%P=x86_64-redhat-linux-gnu%r SF:(NULL,53,"220\x20optimum-gaki\.mx\.a\.mail\.umich\.edu\x20Simple\x20Int SF:ernet\x20Message\x20Transfer\x20Agent\x20ready\r\n")%r(Hello,B1,"220\x2 SF:0optimum-gaki\.mx\.a\.mail\.umich\.edu\x20Simple\x20Internet\x20Message SF:\x20Transfer\x20Agent\x20ready\r\n501\x20Syntax\x20error\x20in\x20param SF:eters\x20or\x20arguments:\x20RFC\x205321\x20section\x204\.1\.1\.1:\x20\ SF:"EHLO\"\x20SP\x20Domain\x20CRLF\r\n")%r(Help,98,"220\x20paramount-korri SF:gan\.mx\.a\.mail\.umich\.edu\x20Simple\x20Internet\x20Message\x20Transf SF:er\x20Agent\x20ready\r\n451\x20Requested\x20action\x20aborted:\x20servi SF:ce\x20temporarily\x20unavailable\r\n")%r(GenericLines,86,"220\x20jazzy- SF:urisk\.mx\.a\.mail\.umich\.edu\x20Simple\x20Internet\x20Message\x20Tran SF:sfer\x20Agent\x20ready\r\n500\x20Command\x20unrecognized\r\n500\x20Comm SF:and\x20unrecognized\r\n")%r(GetRequest,89,"220\x20liberal-undine\.mx\.a SF:\.mail\.umich\.edu\x20Simple\x20Internet\x20Message\x20Transfer\x20Agen SF:t\x20ready\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrec SF:ognized\r\n")%r(HTTPOptions,89,"220\x20liberal-undine\.mx\.a\.mail\.umi SF:ch\.edu\x20Simple\x20Internet\x20Message\x20Transfer\x20Agent\x20ready\ SF:r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n SF:")%r(RTSPRequest,8A,"220\x20exuberant-wight\.mx\.a\.mail\.umich\.edu\x2 SF:0Simple\x20Internet\x20Message\x20Transfer\x20Agent\x20ready\r\n500\x20 SF:Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n")%r(RPCCh SF:eck,37B,"220\x20liberal-undine\.mx\.a\.mail\.umich\.edu\x20Simple\x20In SF:ternet\x20Message\x20Transfer\x20Agent\x20ready\r\n500\x20Command\x20un SF:recognized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrec SF:ognized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecogn SF:ized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecognize SF:d\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r SF:\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n5 SF:00\x20Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n500\ SF:x20Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n500\x20 SF:Command\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n500\x20Com SF:mand\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n500\x20Comman SF:d\x20unrecognized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x SF:20unrecognized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20u SF:nrecognized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unre SF:cognized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecog SF:nized\r\n500\x20Command\x20unrecognized\r\n500\x20Command\x20unrecogniz SF:ed\r\n500\x20Command\x20unrecognized\r\n"); Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port OS fingerprint not ideal because: Missing a closed TCP port so results incomplete No OS matches for host Network Distance: 14 hops TRACEROUTE (using port 80/tcp) HOP RTT ADDRESS 1 0.20 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177) 2 0.56 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 0.59 ms r1b4.n1p1400.lax.multacom.net (64.69.46.9) 4 ... 5 12.37 ms be2931.ccr31.phx01.atlas.cogentco.com (154.54.44.85) 6 21.53 ms be5471.ccr21.elp02.atlas.cogentco.com (154.54.166.57) 7 32.37 ms be3821.ccr31.dfw01.atlas.cogentco.com (154.54.165.25) 8 32.67 ms be2763.ccr41.dfw03.atlas.cogentco.com (154.54.28.74) 9 ... 10 58.54 ms 108.166.252.5 11 ... 13 14 57.45 ms ec2-3-137-10-108.us-east-2.compute.amazonaws.com (3.137.10.108) 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 187.97 seconds