why need cache if has forward-only

[Clayton Tang]

> >3) unrelated to the files above.... I know named will cache results for
name
> >lookups outside of my domain. How do I know how many results have been
> >cached, where are they cached, which ones are cached, etc.? Is there a
tool
> >to examine the cached results?
>
> "ndc dumpdb" will dump all of named's memory into a text file named
> /usr/tmp/named_dump.db.

where can I get "ndc"? I am running AIX4.3.2 and it's not anywhere in
/usr...