Wireshark Lab: DNS v7.0
0. 实验文件地址
http://www-net.cs.umass.edu/wireshark-labs/Wireshark_DNS_v7.0.pdf
1. nslookup


2. ipconfig


3. Tracing DNS with Wireshark

3.1 www.ietf.org
3.1.1 Packets Display

3.1.2 Question & Answer

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UDP
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port: 53
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211.67.48.8; yes
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type: A. no "answers".
![在这里插入图片描述]()
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Three answers.
![在这里插入图片描述]()
![在这里插入图片描述]()
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no
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no
3.2 www.mit.edu

3.2.1 Packets Display

3.2.2 Question & Answer

11. port: 53
12. 211.67.48.8 yes
13. type: AAAA; no "answers"
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Three answers. Each of these answers contain name, type, class, time to live, data length and CNAME.
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![在这里插入图片描述]()
3.3 www.aiit.or.kr bitsy.mit.edu

3.3.1 Packets Display

3.3.2 Question & Answer

20. 18.0.72.3; 211.67.48.8
21. type: A. no "answers"
22. Only one "answers".
23. 





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