jens-ingo brodesser wrote:
>> Do you use nscd?
>> Some versions are buggy
>
> we are using bind9 on our dns servers. to my mind we don't run any nscd
> unless it's not a component of bind9.
nscd is a generic "Name Service Caching Daemon" but not only for DNS,
but also for getpwnam/getservbyname and other calls. It's a part of glibc.
So, check your system for nscd (ps xa | grep nscd) and kill it, maybe
your problem goes away.