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14:57:57.428662 IP 172.31.46.78.56674 > cache-nn.gxcc.net.domain: 44584+ A? www.bvoou.com. (31)
0x0000: 4500 003b 46df 4000 4011 bc19 ac1f 2e4e E..;F.@.@......N
0x0010: dd07 8044 dd62 0035 0027 601f ae28 0100 ...D.b.5.'`..(..
0x0020: 0001 0000 0000 0000 0377 7777 0562 766f .........www.bvo
0x0030: 6f75 0363 6f6d 0000 0100 01 ou.com.....
14:57:57.507669 IP cache-nn.gxcc.net.domain > 172.31.46.78.56674: 44584 1/1/0 A 220.250.64.24 (120)
0x0000: 4500 0094 58e8 4000 fa11 efb6 dd07 8044 E...X.@........D
0x0010: ac1f 2e4e 0035 dd62 0080 e572 ae28 8180 ...N.5.b...r.(..
0x0020: 0001 0001 0001 0000 0377 7777 0562 766f .........www.bvo
0x0030: 6f75 0363 6f6d 0000 0100 01c0 0c00 0100 ou.com..........
0x0040: 0100 000e 1000 04dc fa40 18c0 1600 0600 .........@......
0x0050: 0100 0000 3c00 3d01 610c 6774 6c64 2d73 ....<.=.a.gtld-s
0x0060: 6572 7665 7273 036e 6574 0005 6e73 746c ervers.net..nstl
0x0070: 640c 7665 7269 7369 676e 2d67 7273 c016 d.verisign-grs..
0x0080: 5440 bde4 0000 0708 0000 0384 0009 3a80 T@............:.
0x0090: 0001 5180
When I ping www.bvoou.com . I can see that I have received DNS reply. But When I send my DNS Query packet, I can not receiv DNS reply. Can anyone tell me why?
15:30:40.071470 IP 172.31.46.78.25279 > cache-nn.gxcc.net.domain: 25279+ A? www.bvoou.com. (31)
0x0000: 4500 003b ffff 4000 4011 02f9 ac1f 2e4e E..;..@.@......N
0x0010: dd07 8044 62bf 0035 0027 009a 62bf 0100 ...Db..5.'..b...
0x0020: 0001 0000 0000 0000 0377 7777 0562 766f .........www.bvo
0x0030: 6f75 0363 6f6d 0000 0100 01 ou.com.....
15:30:40.202444 IP 172.31.46.78.35681 > cache-lz.gxcc.net.domain: 50827+ PTR? 68.128.7.221.in-addr.arpa. (43)
0x0000: 4500 0047 bc96 4000 4011 3e56 ac1f 2e4e E..G..@.@.>V...N
0x0010: dd07 8844 8b61 0035 0033 e2f5 c68b 0100 ...D.a.5.3......
0x0020: 0001 0000 0000 0000 0236 3803 3132 3801 .........68.128.
0x0030: 3703 3232 3107 696e 2d61 6464 7204 6172 7.221.in-addr.ar
0x0040: 7061 0000 0c00 01 |
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发表于 2014-10-17 16:07
