How to improve bind caching dns server performance

[Mark Andrews]

In message <4DF21E85.2020201 at lcrcomputer.net>, Lyle Giese writes:
> On 06/10/11 07:53, David Sparro wrote:
> > On 6/10/2011 5:04 AM, kshitij mali wrote:
> >> HI All,
> >> I am repeated facing SERVFAIL error with respond to dig command .
> >> but when i dig to known domian like yahoo,gmail.orkut etc then no
> >> problem .
> >> i think there is some perfomance issue with mycaching dns server how to
> >> check the reson lookup failure
> >> and how to improve the preformance .
> >
> > Based on your previous posts to the list, the problem is not with your
> > caching server. The problems you've described are the result of bad DNS
> > entries entered by the owners and operators of the domains that are
> > producing the errors you see. There is nothing you can do to fix the
> > errors you described.
> >
> 
> In addition, you should learn how to use dig +trace for troubleshooting 
> these problems.
> 
> Lyle
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And upgrade to a recent version of named. BIND 9.2.4 is positively ancient.

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org