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6381-A4 Router Users Guide
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Nslookup
You can use the nslookup command to determine the IP address associated with an Internet site
name. You specify the common name, and the nslookup command looks up the name in on your
DNS server (usually located with your ISP). If that name is not an entry in your ISP’s DNS table,
the request is then referred to another higher-level server, and so on, until the entry is found. The
server then returns the associated IP address.
On Windows-based computers, you can execute the nslookup command from the Start menu.
5. Click the Start button, and then click Run. In the Open text box, type the following:
Nslookup
6. Click OK. A Command Prompt window displays with a bracket prompt (>). At the prompt,
type the name of the Internet address that you are interested in, such as
www.microsoft.com .
The window will display the associate IP address, if known, as shown below:
There may be several addresses associated with an Internet name. This is common for web
sites that receive heavy traffic; they use multiple, redundant servers to carry the same
information.
7. To exit from the nslookup utility, type exit and press [Enter] at the command prompt.