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running windows 2003 dns server behind 2 firewalls and behind linkproof and fireproof

Posted on 2004-09-08
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Last Modified: 2012-06-27
dns is extremely slow to resolve websites, and added forwarders and it still slow
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Question by:tstuardo
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7 Comments
 
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Expert Comment

by:Casca1
ID: 12027077
Open port 53 tcp and UDP; Additionally, you need to do some DNS testing, find out which upper range of ports your system might be using for DNS. Port 53 is the major port, but there are response ports used, and I believe those are dynamic.
Good Luck!
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Author Comment

by:tstuardo
ID: 12710571
i found the answer myself
the problem was the load balancing devices we have
we had to run the command
dnscmd /config /enableednsprobes 0
thanks anyway
ts
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LVL 6

Expert Comment

by:Casca1
ID: 12710856
At least you got your issue resolved.
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LVL 6

Expert Comment

by:Casca1
ID: 12722795
Seems fair
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Accepted Solution

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modulo earned 0 total points
ID: 12723861
PAQ-ing the question and refunding 500  points

Thanks  Casca1 !

modulo

Community Support Moderator
Experts Exchange
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LVL 6

Expert Comment

by:Casca1
ID: 12728509
Ah, my pleasure. Glad they found the fix, which is all I'm really after. 8-)
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