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List:       opensuse
Subject:    Re: [opensuse] Re: When I have downloads running, DNS fails.
From:       Per Jessen <per () computer ! org>
Date:       2014-07-15 10:35:21
Message-ID: lq30a1$vpm$1 () saturn ! local ! net
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Carlos E. R. wrote:

> On 2014-07-15 07:47, Per Jessen wrote:
>> Carlos E. R. wrote:
>> 
>>> It takes about five seconds... I tried 2 or three times, and every
>>> time it tries a different route, but starting at the root servers.
>>> This command does not appear to cache the answer. "host -v ..."
>>> does.
>> 
>> Yes, you're right - "dig" talks directly to the nameserver,
>> whereas "host" uses the resolver which in turn uses nscd.
> 
> Ah.
> Ok.
> 
> But the nameserver is mine, in this machine. Should it not cache?

Yes, it should.  You can verify it with dig - pick something you have
never looked up, maybe "www.tagi.ch" - on the first dig, you see a TTL
of 900, on subsequent digs, you should see the TTL decreasing.  


-- 
Per Jessen, Zürich (18.6 °C)
http://www.hostsuisse.com/ - dedicated server rental in Switzerland.

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