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DNS Testing / NS Lookup/Ping

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5 replies

by kjrees

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How can i test that DNS is working properly?

When i do nslookup it finds my DNS Server

Default Server: DNS_Server
Address: 192.168.10.55

but if i put in the clients PC name in next i get a server failed message. Also if i do a ping -a it returns the ip but does not return the name. Is something wrong? What can i do to test things?

5 replies

by cg it

download the utility from here: http://support.microsoft.com/kb/321045/en-us

run the tests using the switches shown in the KB article.

or use the DNS console utility

administrative tools, DNS, right click on the DNS server, choose properties. click the monitoring tab, choose simply and recursive query test. Both should produce a "pass" result. this indicates your DNS server is functioning properly.

nslookup from a command prompt using the domain name should display the full DNS name and the server address. nslookup with the server IP address should display the full DNS name and the IP address of the server.

by kjrees

hi thanks for that, this may be a silly question but when i use NSLOOKUP can i enter the computer name of a client in NSLOOKUP and expect anything back? Do it work that way? I am only talking an internal domain.

by cg it

if you allow clients to register in DNS then there would be an A record for that address and computer name.

by kjrees

it's just a test domain at the moment, but yes. Should i use NSLOOKUP to find a computer host? I just want to check i'm using the command correctly.

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