localhost zone

[Clenna Lumina]

Mark Watts wrote:
>> Hello to all ,
>>
>> I have that some dns servers had, in addition to the
>> "0.0.127.in-addr.arpa" zone, a zone "localhost" in their
>> configuration.
>>
>> Is there an interest to have this zone configured ?
>>
>> I am asking you this, because i've seen some of my mail servers
>> asking for "localhost/MX/IN", and i was surprised by such request.
>>
>> Thanks in advance.
>
> Mis-configured clients can often be seen trying to resolve
> "localhost" from the DNS server they are configured to use.

I thought it was common to have "0.0.127.in-addr.arpa" or 
"127.in-addr.arpa" and sometimes "localhost" on the dns server, as long 
as each host as "localhost 127.0.0.1" in their host (ie /etc/host) 
files?

-- 
CL