Reverse DNS and single IP address space

[Greg 'groggy' Lehey]

On Thursday, 27 March 2003 at 17:10:13 -0800, Victor Bondarenko wrote:
> On Fri, Mar 28, 2003 at 11:20:34AM +1030, Greg 'groggy' Lehey wrote:
>>> zone "0.168.192.in-addr.arpa" {
>>> 	type slave;
>>> 	file "s/0.168.192.in-addr.arpa.bak";
>>> 	masters {
>>> 		192.168.1.1;
>>> 	};
>>> };
>>
>> This is a slave entry.  It would be more interesting to see what the
>> master config looks like.  Anyway, this address is in an RFC 1918
>> non-routable address range.  That means it's not unique, and it's
>> completely meaningless on the global Internet.  In fact, I have that
>> address here :-)
>>
>
> When I see a non-routable IP on a mailing list, I usually assume that
> whoever is asking the question doesn't want to tell what the real IP
> address is (although why I'm not exactly sure.)

That's a possibility, but it somewhat obfuscates the story here.
Anyway, it doesn't make any sense to ask your ISP to provide a reverse
lookup for an RFC 1918 address.

Greg
--
See complete headers for address and phone numbers
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-questions/attachments/20030328/ff24239e/attachment.bin