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Aolynk DR811/DR814 ADSL2+Broadband Router 8 Troubleshooting
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address of a particular Internet location, you can use the nslookup command, as
explained in the following section.
For most other IP-enabled operating systems, you can execute the same command at
a command prompt or through a system administration utility.
8.2.2 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 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. Click the Start button, and then click Run. In the Open text box, type the
following:
Nslookup
Click OK. A Command Prompt window is displayed 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:
Figure 8-2 Using the nslookup utility
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.
To exit from the nslookup utility, type exit and press [Enter] at the command prompt.