Why are reverse lookup shown as authoritative?

[blrmaani]

Still waiting for the reply.. DNS experts...please help..!!!!!

Blr

blrmaani wrote:
> I have a cache-only server [ DNSHOST2 in the picture below ]
>
> DNSHOST1  ( authoritative DNS server for zone myzone1.com )
>      |
>      |
> DNSHOST2  ( cache only DNS server )
>      |
>      |
> CLIENTHOST
>
> I used nslookup on CLIENTHOST to lookup names and ip-addresses in debug
> mode.
>
> The replies for names shows as non-authoritative whereas replies for IP
> address
> shows as authoritative. I was under the impression that all cached
> replies are always
> non-authoritative. 
> 
> Please clarify.
> 
> thanks
> regards
> Blr