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Tracing email. Headers. Return-path: <delebelgore08@hotmail.com> Received : from mta23.srv.hcvlny.cv.net (mta23.srv.hcvlny.cv.net [167.206.5.184]) by mstr2.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-4.03 (built Sep 22 2005))
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Headers • Return-path: <delebelgore08@hotmail.com> • Received: from mta23.srv.hcvlny.cv.net • (mta23.srv.hcvlny.cv.net [167.206.5.184]) by mstr2.srv.hcvlny.cv.net • (Sun Java System Messaging Server 6.2-4.03 (built Sep 22 2005)) • with ESMTP id <0IQP000AVPO05S10@mstr2.srv.hcvlny.cv.net> for • cmalinow@optonline.net; Tue, 29 Nov 2005 05:40:50 -0500 (EST) • Received: from hotmail.com (bay114-dav14.bay114.hotmail.com [65.54.169.86]) • by mta23.srv.hcvlny.cv.net • (Sun Java System Messaging Server 6.2-4.03 (built Sep 22 2005)) • with ESMTP id <0IQP00ADOPO0MBP2@mta23.srv.hcvlny.cv.net> for • cmalinow@optonline.net (ORCPT cmalinow@optonline.net); Tue, • 29 Nov 2005 05:40:49 -0500 (EST) • Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Tue, • 29 Nov 2005 02:40:48 -0800 • Received: from 212.100.250.216 by BAY114-DAV14.phx.gbl with DAV; Tue, • 29 Nov 2005 10:40:48 +0000 • Date: Tue, 29 Nov 2005 11:47:47 +0100 • From: Dele Belgore <delebelgore08@hotmail.com> • Subject: Dear Malinowski (Urgent/Confidential Request) • X-Originating-IP: [212.100.250.216] • X-Sender: delebelgore08@hotmail.com • Bcc: • Reply-to: Dele Belgore <deleandchambers@hotmail.com> • Message-id: <BAY114-DAV144ED0D969FB3B0E52C7CEBB4B0@phx.gbl> • MIME-version: 1.0 • X-MIMEOLE: Produced By Microsoft MimeOLE V5.50.4939.300 • X-Mailer: Microsoft Outlook Express 5.50.4922.1500 • Content-type: multipart/alternative; • boundary="Boundary_(ID_PSl9uVHx8QZ3EPypzGbkVQ)" • X-Priority: 3 • X-MSMail-priority: Normal • X-Originating-Email: [delebelgore08@hotmail.com] • Original-recipient: rfc822;cmalinow@optonline.net • X-OriginalArrivalTime: 29 Nov 2005 10:40:48.0512 (UTC) • FILETIME=[5C60D800:01C5F4D1]
Checking IP addresses • IP (and other info) can be spoofed at nodes where the suspect may have control • What information might be revealed from an email? • Despite spoofing attempts? • What happens if a remailer or anonymizer is used?
IP address blocks • www.iana.org/assignments/ipv4-address-space • ARIN • 063.x.x.x thru 072.x.x.x • 199.x.x.x • 204.x.x.x thru 209.x.x.x • 216.x.x.x • APNIC • 058.x.x.x thru 061.x.x.x • 202.x.x.x thru 203.x.x.x • 210.x.x.x thru 211.x.x.x • 218.x.x.x thru 222.x.x.x • RIPE • 062.x.x.x • 081.x.x.x thru 088.x.x.x • 193.x.x.x thru 195.x.x.x • 212.x.x.x thru 213.x.x.x • 217.x.x.x • LACNIC • 200.x.x.x thru 201.x.x.x
Domain Names • Top level domains (TLD) assigned by ICANN (Internet Corp on Assigned Names and Numbers) • Responsible for IANA
dig NameServer (opt) Record type (opt) • Gets IP for the hostname • tower:~$ dig @ns.adnc.com FreeSoft.org mx • [1] ; <<>> DiG 2.1 <<>> @ns.adnc.com FreeSoft.org mx • [2] ; (1 server found) • [3] ;; res options: init recurs defnam dnsrch • [4] ;; got answer: • [5] ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10 • [6] ;; flags: qr aa rd ra; Ques: 1, Ans: 1, Auth: 2, Addit: 2 • [7] ;; QUESTIONS: • [8] ;; FreeSoft.org, type = MX, class = IN • [9] • [10] ;; ANSWERS: • [11] FreeSoft.org. 86400 MX 100 mail.adnc.com. • [12]
dig • [13] ;; AUTHORITY RECORDS: • [14] FreeSoft.org. 86400 NS ns.adnc.com. • [15] FreeSoft.org. 86400 NS ns2.adnc.com. • [16] • [17] ;; ADDITIONAL RECORDS: • [18] ns.adnc.com. 86400 A 205.216.138.22 • [19] ns2.adnc.com. 86400 A 205.216.138.24 • [20] • [21] ;; Total query time: 464 msec • [22] ;; FROM: tower to SERVER: ns.adnc.com 205.216.138.22 • [23] ;; WHEN: Tue Mar 19 20:31:58 1996 • [24] ;; MSG SIZE sent: 30 rcvd: 126
dig • $ dig @ns.adnc.com mail.adnc.com • [1] ; <<>> DiG 2.1 <<>> @ns.adnc.com mail.adnc.com • [2] ; (1 server found) • [3] ;; res options: init recurs defnam dnsrch • [4] ;; got answer: • [5] ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10 • [6] ;; flags: qr aa rd ra; Ques: 1, Ans: 2, Auth: 3, Addit: 3 • [7] ;; QUESTIONS: • [8] ;; mail.adnc.com, type = A, class = IN • [9] • [10] ;; ANSWERS: • [11] mail.adnc.com. 86400 CNAME gemini.adnc.com. • [12] gemini.adnc.com. 86400 A 205.216.138.22
dig • % dig +short mail.adnc.com • 205.216.138.22
whois • http:www.networksolutions.com/en_US/whois/index.html • http://verisign-grs.com/cgi-bin/whois • http://www.easywhois.com
traceroute • www.wvi.com/cgi-bin/trace