C:\>nslookup *** Can't find server name for address 192.168.0.1: Non-existent domain *** Default servers are not available Default Server: UnKnown Address: 192.168.0.1 > set type=mx > cs.fit.edu. Server: UnKnown Address: 192.168.0.1 Non-authoritative answer: cs.fit.edu MX preference = 10, mail exchanger = smtphost.fit.edu cs.fit.edu MX preference = 20, mail exchanger = mailhost.fit.edu cs.fit.edu nameserver = ROADRUNNER.fit.edu cs.fit.edu nameserver = COYOTE.fit.edu smtphost.fit.edu internet address = 163.118.2.8 mailhost.fit.edu internet address = 163.118.2.1 COYOTE.fit.edu internet address = 163.118.131.10 ROADRUNNER.fit.edu internet address = 163.118.131.2 > yahoo.com. Server: UnKnown Address: 192.168.0.1 Non-authoritative answer: yahoo.com MX preference = 5, mail exchanger = mx4.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = mx1.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = mx2.mail.yahoo.com yahoo.com MX preference = 1, mail exchanger = mx3.mail.yahoo.com yahoo.com nameserver = ns5.yahoo.com yahoo.com nameserver = ns1.yahoo.com yahoo.com nameserver = ns2.yahoo.com yahoo.com nameserver = ns3.yahoo.com yahoo.com nameserver = ns4.yahoo.com mx1.mail.yahoo.com internet address = 4.79.181.14 mx1.mail.yahoo.com internet address = 4.79.181.15 mx1.mail.yahoo.com internet address = 67.28.113.11 mx1.mail.yahoo.com internet address = 67.28.113.71 mx2.mail.yahoo.com internet address = 67.28.113.70 mx2.mail.yahoo.com internet address = 4.79.181.134 mx2.mail.yahoo.com internet address = 4.79.181.135 mx2.mail.yahoo.com internet address = 67.28.113.19 mx3.mail.yahoo.com internet address = 67.28.113.10 mx3.mail.yahoo.com internet address = 4.79.181.12 mx3.mail.yahoo.com internet address = 4.79.181.13 mx3.mail.yahoo.com internet address = 64.156.215.8 mx3.mail.yahoo.com internet address = 64.156.215.18 mx4.mail.yahoo.com internet address = 66.218.86.156 mx4.mail.yahoo.com internet address = 66.218.86.253 mx4.mail.yahoo.com internet address = 66.218.86.254 ns1.yahoo.com internet address = 66.218.71.63 ns2.yahoo.com internet address = 66.163.169.170 ns3.yahoo.com internet address = 217.12.4.104 > 04/12-20:33:38.659380 ARP who-has 192.168.0.1 tell 192.168.0.102 04/12-20:33:38.659544 ARP reply 192.168.0.1 is-at 0:40:5:58:67:7D 04/12-20:33:38.659553 0:15:F2:8:8D:AB -> 0:40:5:58:67:7D type:0x800 len:0x54 192.168.0.102:1044 -> 192.168.0.1:53 UDP TTL:128 TOS:0x0 ID:307 IpLen:20 DgmLen:70 Len: 42 00 01 01 00 00 01 00 00 00 00 00 00 01 31 01 30 .............1.0 03 31 36 38 03 31 39 32 07 69 6E 2D 61 64 64 72 .168.192.in-addr 04 61 72 70 61 00 00 0C 00 01 .arpa..... =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 04/12-20:33:38.701387 0:40:5:58:67:7D -> 0:15:F2:8:8D:AB type:0x800 len:0xA1 192.168.0.1:53 -> 192.168.0.102:1044 UDP TTL:237 TOS:0x0 ID:31073 IpLen:20 DgmLen:147 DF Len: 119 00 01 81 83 00 01 00 00 00 01 00 00 01 31 01 30 .............1.0 03 31 36 38 03 31 39 32 07 69 6E 2D 61 64 64 72 .168.192.in-addr 04 61 72 70 61 00 00 0C 00 01 C0 10 00 06 00 01 .arpa........... 00 00 04 F3 00 41 08 70 72 69 73 6F 6E 65 72 04 .....A.prisoner. 69 61 6E 61 03 6F 72 67 00 0A 68 6F 73 74 6D 61 iana.org..hostma 73 74 65 72 0C 72 6F 6F 74 2D 73 65 72 76 65 72 ster.root-server 73 C0 44 77 54 B7 E0 00 00 07 08 00 00 03 84 00 s.DwT........... 09 3A 80 00 09 3A 80 .:...:. =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 04/12-20:33:50.686096 0:15:F2:8:8D:AB -> 0:40:5:58:67:7D type:0x800 len:0x46 192.168.0.102:1045 -> 192.168.0.1:53 UDP TTL:128 TOS:0x0 ID:308 IpLen:20 DgmLen:56 Len: 28 00 02 01 00 00 01 00 00 00 00 00 00 02 63 73 03 .............cs. 66 69 74 03 65 64 75 00 00 0F 00 01 fit.edu..... =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 04/12-20:33:50.737704 0:40:5:58:67:7D -> 0:15:F2:8:8D:AB type:0x800 len:0xE6 192.168.0.1:53 -> 192.168.0.102:1045 UDP TTL:237 TOS:0x0 ID:22981 IpLen:20 DgmLen:216 DF Len: 188 00 02 81 80 00 01 00 02 00 02 00 04 02 63 73 03 .............cs. 66 69 74 03 65 64 75 00 00 0F 00 01 C0 0C 00 0F fit.edu......... 00 01 00 00 0E 10 00 0D 00 0A 08 73 6D 74 70 68 ...........smtph 6F 73 74 C0 0F C0 0C 00 0F 00 01 00 00 0E 10 00 ost............. 0D 00 14 08 6D 61 69 6C 68 6F 73 74 C0 0F C0 0C ....mailhost.... 00 02 00 01 00 00 07 84 00 0D 0A 52 4F 41 44 52 ...........ROADR 55 4E 4E 45 52 C0 0F C0 0C 00 02 00 01 00 00 07 UNNER........... 84 00 09 06 43 4F 59 4F 54 45 C0 0F C0 2A 00 01 ....COYOTE...*.. 00 01 00 00 04 2B 00 04 A3 76 02 08 C0 43 00 01 .....+...v...C.. 00 01 00 00 04 2B 00 04 A3 76 02 01 C0 73 00 01 .....+...v...s.. 00 01 00 00 23 D8 00 04 A3 76 83 0A C0 5A 00 01 ....#....v...Z.. 00 01 00 00 11 24 00 04 A3 76 83 02 .....$...v.. =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 04/12-20:34:06.849112 0:15:F2:8:8D:AB -> 0:40:5:58:67:7D type:0x800 len:0x45 192.168.0.102:1046 -> 192.168.0.1:53 UDP TTL:128 TOS:0x0 ID:309 IpLen:20 DgmLen:55 Len: 27 00 03 01 00 00 01 00 00 00 00 00 00 05 79 61 68 .............yah 6F 6F 03 63 6F 6D 00 00 0F 00 01 oo.com..... =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ 04/12-20:34:06.884048 0:40:5:58:67:7D -> 0:15:F2:8:8D:AB type:0x800 len:0x224 192.168.0.1:53 -> 192.168.0.102:1046 UDP TTL:237 TOS:0x0 ID:6179 IpLen:20 DgmLen:534 DF Len: 506 00 03 81 80 00 01 00 04 00 05 00 13 05 79 61 68 .............yah 6F 6F 03 63 6F 6D 00 00 0F 00 01 C0 0C 00 0F 00 oo.com.......... 01 00 00 10 5F 00 0D 00 05 03 6D 78 34 04 6D 61 ...._.....mx4.ma 69 6C C0 0C C0 0C 00 0F 00 01 00 00 10 5F 00 08 il..........._.. 00 01 03 6D 78 31 C0 2D C0 0C 00 0F 00 01 00 00 ...mx1.-........ 10 5F 00 08 00 01 03 6D 78 32 C0 2D C0 0C 00 0F ._.....mx2.-.... 00 01 00 00 10 5F 00 08 00 01 03 6D 78 33 C0 2D ....._.....mx3.- C0 0C 00 02 00 01 00 02 17 E7 00 06 03 6E 73 35 .............ns5 C0 0C C0 0C 00 02 00 01 00 02 17 E7 00 06 03 6E ...............n 73 31 C0 0C C0 0C 00 02 00 01 00 02 17 E7 00 06 s1.............. 03 6E 73 32 C0 0C C0 0C 00 02 00 01 00 02 17 E7 .ns2............ 00 06 03 6E 73 33 C0 0C C0 0C 00 02 00 01 00 02 ...ns3.......... 17 E7 00 06 03 6E 73 34 C0 0C C0 42 00 01 00 01 .....ns4...B.... 00 00 02 70 00 04 04 4F B5 0E C0 42 00 01 00 01 ...p...O...B.... 00 00 02 70 00 04 04 4F B5 0F C0 42 00 01 00 01 ...p...O...B.... 00 00 02 70 00 04 43 1C 71 0B C0 42 00 01 00 01 ...p..C.q..B.... 00 00 02 70 00 04 43 1C 71 47 C0 56 00 01 00 01 ...p..C.qG.V.... 00 00 05 76 00 04 43 1C 71 46 C0 56 00 01 00 01 ...v..C.qF.V.... 00 00 05 76 00 04 04 4F B5 86 C0 56 00 01 00 01 ...v...O...V.... 00 00 05 76 00 04 04 4F B5 87 C0 56 00 01 00 01 ...v...O...V.... 00 00 05 76 00 04 43 1C 71 13 C0 6A 00 01 00 01 ...v..C.q..j.... 00 00 06 F2 00 04 43 1C 71 0A C0 6A 00 01 00 01 ......C.q..j.... 00 00 06 F2 00 04 04 4F B5 0C C0 6A 00 01 00 01 .......O...j.... 00 00 06 F2 00 04 04 4F B5 0D C0 6A 00 01 00 01 .......O...j.... 00 00 06 F2 00 04 40 9C D7 08 C0 6A 00 01 00 01 ......@....j.... 00 00 06 F2 00 04 40 9C D7 12 C0 29 00 01 00 01 ......@....).... 00 00 01 32 00 04 42 DA 56 9C C0 29 00 01 00 01 ...2..B.V..).... 00 00 01 32 00 04 42 DA 56 FD C0 29 00 01 00 01 ...2..B.V..).... 00 00 01 32 00 04 42 DA 56 FE C0 8E 00 01 00 01 ...2..B.V....... 00 02 75 E4 00 04 42 DA 47 3F C0 A0 00 01 00 01 ..u...B.G?...... 00 02 A0 C0 00 04 42 A3 A9 AA C0 B2 00 01 00 01 ......B......... 00 02 A1 EA 00 04 D9 0C 04 68 .........h =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ ===============================================================================