default local DNS caching name server

William Brown william at
Sat Apr 12 05:41:35 UTC 2014

On Sat, 2014-04-12 at 13:35 +0800, P J P wrote:
> > On Saturday, 12 April 2014 10:33 AM, P J P wrote:
> > >> On Saturday, 12 April 2014 2:13 AM, Paul Wouters wrote:> 
> >> It's rude to bypass the global DNS caching infrastructure. That would
> >> significantly load people's DNS servers with more queries. There is no
> >> reason not to try and use ISP's DNS caches. 
> There is also the case that Chuck mentioned about ISP's name servers being unreliable.
> ---
> Regards
>    -Prasad

That makes no sense.

Say I have freshly installed my fedora system at home. I then boot it up
and start to use it. My laptop is caching DNS results all the while from
the "unreliable" ISP.

I then go to work and suddenly things don't work.

Having a DNS cache doesn't fix your unreliable ISP: You need to lodge a
complaint with your ISP. 

See my previous email, about flushing the cache on network change.

William Brown <william at>
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