Information Technology Reference
In-Depth Information
4.
Switch to the Monitoring tab and check both A Simple Query Against This DNS Server
and A Recursive Query To Other DNS Servers.
5.
Click the Test Now button several times and then click OK.
6.
Press the Windows key on the keyboard (left side between the Ctrl and Alt keys) and
then choose Computer. Navigate to the folder that you specified in step 3 and use Word-
Pad or Notepad to view the contents of the log file.
Troubleshooting DNS
When troubleshooting DNS problems, ask yourself the following basic questions:
What application is failing? What works? What doesn't work?
Is the problem basic IP connectivity, or is it name resolution? If the problem is name
resolution, does the failing application use NetBIOS names, DNS names, or host-
names?
How are the things that do and don't work related?
Have the things that don't work ever worked on this computer or network? If so, what
has changed since they last worked?
Windows Server 2012 R2 provides several useful tools, discussed in the following
sections, which can help you answer these questions:
Nslookup is used to perform DNS queries and to examine the contents of zone files on
local and remote servers.
DNSLint is a command-line utility used for troubleshooting many common DNS issues.
 
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