[as112-ops] Motivation/reasons to run a AS112 DNS instance

[Ben Cox]

Hey Winfried,

To quote RFC6304:

> it is good practice for site
> administrators to ensure that such queries are answered locally
> [RFC6303].  However, it is not uncommon for such queries to follow
> the normal delegation path in the public DNS instead of being
> answered within the site.

> It is not possible for public DNS servers to give useful answers to
> such queries.  In addition, due to the wide deployment of private-use
> addresses and the continuing growth of the Internet, the volume of
> such queries is large and growing.  The AS112 project aims to provide
> a distributed sink for such queries in order to reduce the load on
> the IN-ADDR.ARPA authoritative servers [RFC5855].

Basically, if inside your AS you are running resolvers (and the
clients use just those) that handle these queries built in, you can
likely get away with not running a AS112 node, since even the rare
query that leaks out will likely be served by the many available on
the internet as a whole.


On Wed, Jan 18, 2023 at 3:52 PM Winfried Angele <abang at t-ipnet.net> wrote:
>
> Hello list,
>
> If DNS resolvers provided for, and used by almost all clients within a
> AS has a built-in solution for treating RFC 1918 address PTR RR queries,
> is there even a reason/motivation to run a AS112 DNS instance?
>
> Winfried
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