How to improve bind caching dns server performance

[kshitij mali]

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 .


info : i am using bind 9.2.4 upon rhel4

Regards,
Kshitij
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