Created
November 10, 2014 12:49
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node AAAA lookups
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| tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes | |
| 12:48:09.785378 IP (tos 0x0, ttl 64, id 31267, offset 0, flags [DF], proto UDP (17), length 60) | |
| 172.27.1.11.59292 > 8.8.8.8.53: [bad udp cksum 0xbd6f -> 0x9911!] 12994+ AAAA? www.google.com. (32) | |
| 12:48:09.798648 IP (tos 0x0, ttl 44, id 10954, offset 0, flags [none], proto UDP (17), length 88) | |
| 8.8.8.8.53 > 172.27.1.11.59292: [udp sum ok] 12994 q: AAAA? www.google.com. 1/0/0 www.google.com. [4m59s] AAAA 2a00:1450:400c:c0a::93 (60) | |
| 12:48:09.798932 IP (tos 0x0, ttl 64, id 53453, offset 0, flags [DF], proto UDP (17), length 60) | |
| 172.27.1.11.45605 > 8.8.8.8.53: [bad udp cksum 0xbd6f -> 0x661b!] 39754+ A? www.google.com. (32) | |
| 12:48:09.819764 IP (tos 0x0, ttl 44, id 10955, offset 0, flags [none], proto UDP (17), length 156) | |
| 8.8.8.8.53 > 172.27.1.11.45605: [udp sum ok] 39754 q: A? www.google.com. 6/0/0 www.google.com. [3m13s] A 64.233.167.105, www.google.com. [3m13s] A 64.233.167.147, www.google.com. [3m13s] A 64.233.167.106, www.google.com. [3m13s] A 64.233.167.103, www.google.com. [3m13s] A 64.233.167.104, www.google.com. [3m13s] A 64.233.167.99 (128) |
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| # sudo tcpdump -vvv -s 0 -l -n port 53 | |
| tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes | |
| 12:48:09.785378 IP (tos 0x0, ttl 64, id 31267, offset 0, flags [DF], proto UDP (17), length 60) | |
| 172.27.1.11.59292 > 8.8.8.8.53: [bad udp cksum 0xbd6f -> 0x9911!] 12994+ AAAA? www.google.com. (32) | |
| 12:48:09.798648 IP (tos 0x0, ttl 44, id 10954, offset 0, flags [none], proto UDP (17), length 88) | |
| 8.8.8.8.53 > 172.27.1.11.59292: [udp sum ok] 12994 q: AAAA? www.google.com. 1/0/0 www.google.com. [4m59s] AAAA 2a00:1450:400c:c0a::93 (60) | |
| 12:48:09.798932 IP (tos 0x0, ttl 64, id 53453, offset 0, flags [DF], proto UDP (17), length 60) | |
| 172.27.1.11.45605 > 8.8.8.8.53: [bad udp cksum 0xbd6f -> 0x661b!] 39754+ A? www.google.com. (32) | |
| 12:48:09.819764 IP (tos 0x0, ttl 44, id 10955, offset 0, flags [none], proto UDP (17), length 156) | |
| 8.8.8.8.53 > 172.27.1.11.45605: [udp sum ok] 39754 q: A? www.google.com. 6/0/0 www.google.com. [3m13s] A 64.233.167.105, www.google.com. [3m13s] A 64.233.167.147, www.google.com. [3m13s] A 64.233.167.106, www.google.com. [3m13s] A 64.233.167.103, www.google.com. [3m13s] A 64.233.167.104, www.google.com. [3m13s] A 64.233.167.99 (128) |
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| var dns = require('dns'); | |
| dns.lookup('www.google.com', function (err, address) { | |
| console.log(address); | |
| }); | |
| // run with node test.js |
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