DNS Cache broken?

  • Thread starter Thread starter chadr
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chadr

Win2k Server machine is a DC, exchange2k, and DNS server

The DNS is real slow - a website on the network may take 5 seconds or
more to resolve.

I looked at the %systemroot%system32dnscache.dns file and opened it
in wordpad.

It’s exactly the same as the original dns cache file that comes on
the cd, or you would find in the example folder.

So it’s not caching correctly right?

anytime a person hits a website it should make an entry in the cache
file should it not?


any help would be apreciated
 
chadr said:
Win2k Server machine is a DC, exchange2k, and DNS server

The DNS is real slow - a website on the network may take 5
seconds or more to resolve.

I looked at the %systemroot%system32dnscache.dns file and
opened it in wordpad.

It's exactly the same as the original dns cache file that
comes on the cd, or you would find in the example folder.

So it's not caching correctly right?

anytime a person hits a website it should make an entry in the
cache file should it not?


any help would be apreciated
Click to expand...

Nope... the cache.dns file contains the default root hints.

The caching is stored in memory...

to see the contents of the cache use: ipconfig /displaydns

how does your DNS infrastructure and configuration (forwarding, root
hints, etc.) look like
 
In
chadr said:
Win2k Server machine is a DC, exchange2k, and DNS server

The DNS is real slow - a website on the network may take 5 seconds or
more to resolve.

I looked at the %systemroot%system32dnscache.dns file and opened it
in wordpad.

Itâ?Ts exactly the same as the original dns cache file that comes on
the cd, or you would find in the example folder.

So itâ?Ts not caching correctly right?

anytime a person hits a website it should make an entry in the cache
file should it not?


any help would be apreciated
Click to expand...

If anyone queries anything, the DNS server will cache it as well as the
client side resolver on a client machine. Jorge showed how to view the
client cache. To view the client cache in DNS, in the console, under View,
select Advanced.


--
Regards,
Ace

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Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft Windows MVP - Windows Server - Directory Services
Infinite Diversities in Infinite Combinations.
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