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Old 3rd April 2008, 10:18
Hagforce Hagforce is offline
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Default TIPS for small ISP DNS

Hello

I have been using my web server for DNS and the transit providers DNS for secondary.
But I see that when there is load on the server, DNS requests take more time that it should.

This DNS will be serving 1000-1500 ADSL and Wireless broadband coustomers.

I need as high performance as possible on this.

So I would like tips on
-Hardware
-Software
-Setup
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  #2  
Old 4th April 2008, 18:47
falko falko is offline
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What other services are running on that server? Which one is consuming the most resources (see top)?
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  #3  
Old 7th April 2008, 10:18
Hagforce Hagforce is offline
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It`s mostly spamassasin and clam that is putting load on the server.
I use these through ISPConfig.

So I think the best ting would be to use a separate DNS server, as from time to time load would be high om web/mail server. And the DNS response for ADSL customers would be slow.
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Old 8th April 2008, 09:37
falko falko is offline
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Quote:
Originally Posted by Hagforce
It`s mostly spamassasin and clam that is putting load on the server.
I use these through ISPConfig.
You can try to use spamd and clamd (there are some forum threads about this), this should decrease the load.

Quote:
Originally Posted by Hagforce
So I think the best ting would be to use a separate DNS server, as from time to time load would be high om web/mail server. And the DNS response for ADSL customers would be slow.
That would be the best solution.
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Old 9th April 2008, 08:48
Hagforce Hagforce is offline
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Thank you Falko.

Any good setup guides for a DNS server for ADSL ISP use?
Superfast for best surfing experience
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Old 10th April 2008, 17:34
falko falko is offline
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Take a look at the DNS category: http://www.howtoforge.com/howtos/dns
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