[dns-operations] why does that domain resolve?

[Raffaele Sommese]

On Tue, Jun 8, 2021 at 11:59 AM Mark Delany <b9w at charlie.emu.st> wrote:
>
> On 07Jun21, Giovane C. M. Moura via dns-operations allegedly wrote:
>
> > FWIW, we did a study a couple of years ago [1] analyzing these
> > inconsistencies. We found 13 million second-level domains (out of 166M)
> > that were inconsistent [0] (table 1, data from 2019-10-16)
>
> Asking for a friend. Did you use a tool that is generally available to the average Joe
> such that they can test their own domains?

To perform analysis for [1], we wrote custom data analysis code, but
it is just for data and zones that we collect in the OpenINTEL Project
[3].
Maybe https://zonemaster.net/ can help with that?
It offers the possibility of looking for consistency (and delegation
issues), and they should have an (opensource) CLI version.
Best,
Raffaele

[3] https://openintel.nl/

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Raffaele Sommese
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