DNS Reverse Address

Michael Torrie torriem at gmail.com
Mon Oct 7 08:50:51 MDT 2013


On 10/07/2013 02:55 AM, Dan Egli wrote:
> On October 4, 2013, Michael Torrie wrote:
>> in-addr.arpa zones are IPv4 reverse-lookup zones. For converting a
>> number to a name. Since DNS has no concept of reverse lookups, the
>> dns client will reverse the IP address and treat it like a standard
>> domain name when making queries. IE 1.2.3.4 becomes the domain name
>> 4.3.2.1.in-addr.arpa, and the same mechanisim as any normal lookup is
>> used.
>
> Yea, that was my understanding too (although I was under the impression
> that it was done similarly for IPv6, but if you say it's specifically for
> IPv4 maybe not).

IPv6 reverse zones use the suffix ".ipv6.arpa" if I understand the docs
correctly.



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