Wireshark Lab DNS Solution

Link to download document down below! (Microsoft Word format)

1.  Locate the DNS query and response messages. Are they sent over UDP or TCP?

Answer: They sent over UDP.

2.  What is the destination port for the DNS query message? What is the source port of DNS response message?

Answer: 

Destination port: domain (53)

Source port: domain (53)

3.  To what IP address is the DNS query message sent? Use ipconfig to determine the IP address of your local DNS server. Are these two IP addresses the same?

Answer: 172.18.41.2, yes the two IP addresses are the same.

4.  Examine the DNS query message. What “Type” of DNS query is it? Does the query message contain any “answers”?

Answer: Type: A (Host address), the query message does not contain any “answers”.

5.  Examine the DNS response message. How many “answers” are provided? What does each of these answers contain?

Answer: 

1 “answers” is provided.

The answer contains: www.ietf.org: type A, class IN, addr 12.22.58.30

6.  This web page contains images. Before retrieving each image, does your host issue new DNS queries?

Answer:

No.

Download Link:

http://adf.ly/15925565/wireshark-dns

How To Download:

Please disable any Ad Block software if any beforehand or this may not work properly.

1. Please wait for 5 seconds.

2. Click on "Skip Ad".

3. Click on "Download through your browser".