Networking Assignment: NS Lookup Tool
Purpose: To demonstrate the usefulness of the NSLookup Utility. Students should know how to use this tool to verify the presence of a mail server and a DNS server on a network
Prerequisites: Your Windows client computer needs to be connected to the Internet.
Lab Tasks:
1. From the command prompt (start→run→cmd), enter Ipconfig /all. Take note the DNS server address:
2. Type nslookupand press enter (this places you into interactive mode)
3. Type ecpi edu, press enter
4. Type yahoo, press enter
5. Examine and compare the output from steps 3 & 4. What differences do you note?
6. How would knowing the name server be helpful?
7. Type set type=mx and press return, then type ecpi edu website. What information does this provide?
8. Type exit and reenter nslookup again from the command prompt. Type ecpi edu website and press enter. What difference do you note in the output from the previous step.
9. From >Type ? Name three other switches and their function when used with NSLookup.
10. To verify DNS server responsiveness using the nslookup command
a) At a command prompt, type: nslookup {server_ip_address} 127.0.0.1 whereserver_ip_address is the IP address of the DNS server at which you are verifying its responsiveness. For example, if the IP address of your DNS server is 10.90.0.6, you would type: C:\nslookup 10.90.0.6
b) If the server is responding, the name "localhost" is returned. If the server does not respond, you would continue troubleshooting the DNS server.
c) Using the command that you just used would place you in what nslookup mode?
Format your assignment according to the following formatting requirements:
1. The answer should be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides.
2. The response also includes a cover page containing the title of the assignment, the student's name, the course title, and the date. The cover page is not included in the required page length.
3. Also include a reference page. The Citations and references should follow APA format. The reference page is not included in the required page length.