caching ns error

[Kevin Darcy]

bart dumon wrote:

> hey,
>
> i've got 3 caching nameservers running bind 8.2.2 P5, in fact they
> are working fine but one of them always gets the wrong ip address
> for one particular A record. the others don't, i have no clue because
> the master for this zone is answering correctly.
>
> at first i dumped the cache and didn't mind, but the problem seems
> to be occuring over and over again. this one caching ns is getting
> the data somewhere and i really like to find out where.
> is there anyway i can get bind to give the information on the resolving
> process of this record, from which server he got the wrong auth answer?

I wish people wouldn't would use "dump" to mean "destroy".

What you need to do is set "host-statistics yes" and then *dump* (not
destroy) the cache when the problem occurs. In the dump, you'll see the
source of that bad data.

WARNING: host-statistics can use up a lot of memory.


- Kevin