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dns hostname not resolving lan server ¿

Posted on 2009-07-01
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Last Modified: 2013-11-25
strange thing happened this morning:
all of a sudden one of our servers cannot be addressed by its name 'bertha' the hostname resolves to bertha.com.au(or its IP address) (must be a new website created) instead of the servers LAN IP address 192.168.2.3.

we have 2 sites both with a DNS and DHCP server. I check both the forward and revese lookup up zones on the 2 sites and the site not resolving the IP had the PTR entry missing so I added the entry. that didn't help.

Keeping in mind that alll servers have been working untouch for a few years, this new problem arised today for only one server.

What can be wrong for a hostname to resolve to an internet address instead of its LAN address ?
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Question by:siacom
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Expert Comment

by:ecsrd
ID: 24760146
On the system that is unable to resolve the hostname, is it using an appropriate DNS server that SHOULD resolve the internal address?
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Author Comment

by:siacom
ID: 24760233
yes it is. there is also a WINS and DHCP server on it with routing rules.

This problem suddenly arose overnight, probably by the new existance of bertha.com.au.

All other computers and server resolve hostname propely.
I have just restarted the DNS server that doesn't resolve properly after making one change. I simply remove the PTR record and recreated it to see what happens....

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Author Comment

by:siacom
ID: 24760237
no luck so far ... stilo the same.
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LVL 11

Expert Comment

by:ecsrd
ID: 24760269
Check the WINS configuration, since you are using shortname to lookup the server, WINS would be used by default (or NetBIOS on the same subnet).
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Author Comment

by:siacom
ID: 24760281
yes WINS is used and the entry for bertha with the correct IP is listed..I will do a few scren captures of DNs WINs and DHCP of the relevant entries.
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ecsrd earned 2000 total points
ID: 24760289
Are the WINS settings set for the network cards on the affected stations?  Is the WINS server responding to requests?
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Author Comment

by:siacom
ID: 24760316
I'm having a look at the WINS config now... it does have the other domain entry as a replication partner.
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Expert Comment

by:ecsrd
ID: 24760329
Let me know what you find.
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Author Comment

by:siacom
ID: 24760844
ok the problem is gone... and I don't really know exactly what fixed it, maybe a corrupt entry on the DNS server having the problem.

I deleted all DNs entires on that server only that had references to bertha waited a couple of minutes, recreated the entries, restarted the DNS server, restart the DNS and WINS server waited a couple more minutes then pinged... all is ok now. ¿ ? ¿


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