[CentOS] resolving names it is really slow slow with CentOS5.x using named

Mon May 25 11:03:13 UTC 2009
Paul Bijnens <Paul.Bijnens at xplanation.com>

On 2009-05-25 12:51, carlopmart wrote:
>   I have a problem using named with different CentOS5 servers (2 servers): all 
> they are really slow to resolv any internet address and most of time fails to 
> resolv. This situation differs if I use "forwarders" servers like opendns: 
> resolving names it is really really quickly. And I don't understand why.
> 
>   On the other hand I have tested three DNS servers using Windows 2003, Windows 
> 2008 and Ubuntu hardy and these problems doesn't occurs (I don't need to 
> configure forwarders on any of them): all resolves any name and really fast.
> 
>   IPv6 is disabled on both CentOS servers. Somebody knows why these dns servers 
> are slow??


My crystal ball is in repair.  Could you in the meantime add some more
hints, e.g. your config files, and how you diagnosed the slowness.

My CentOS5 DNS-servers do resolve really quickly, with or without forwarders.


-- 
Paul Bijnens, Xplanation Technology Services        Tel  +32 16 397.525
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