internal network PTR records, necessary?

[James Chase]

Thanks for the help figuring out where to direct my research! I'll check
all those sources out. Really appreciate it


On Wed, Aug 14, 2013 at 7:00 AM, Chris Thompson <cet1 at cam.ac.uk> wrote:

> On Aug 14 2013, SM wrote:
>
>  Hi James,
>> At 19:06 13-08-2013, James Chase wrote:
>>
>>> I noticed if I do a reverse lookup on an internal IP it seems to
>>> reference an iana server. Do we have a misconfiguration to be going out
>>> there for an answer? Could it be that this iana server was not responding
>>> monday morning?
>>>
>>
>> See RFC 6303 and RFC 6305.
>>
>
> Also see the BIND documentation on "automatic empty zones".
>
> In BIND 9.9, empty reverse zones for RFC1918 ranges will be defined
> by default. In earlier versions, since  9.6-ESV-R6, 9.7.5 or 9.8.1
> respectively, the same will happen only if you include the option
> "empty-zones-enable yes;" explicitly.
>
> --
> Chris Thompson
> Email: cet1 at cam.ac.uk
>



-- 
"Beware of all enterprises that require new clothes."
  --  Henry David Thoreau
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