[dns-operations] Name servers returning incorrectly truncated UDP responses

[Brian Dickson]

On Sat, Jul 30, 2022 at 11:14 AM Ondřej Surý <ondrej at sury.org> wrote:

> I am 99% sure the fpdns is wrong and this is not djbdns. The fpdns relies
> on subtle differences between various DNS implementations and is often
> wrong because there’s either not enough data or just not enough
> differences. That’s what I’ve seen when we started with Knot DNS - the
> quality implementations just didn’t had enough differences between than
> because they adhered to standards that fpdns just could not tell the
> difference.
>

If there are SUBTLE differences between DJB DNS and anything else, I would
die of shock.
I will offer a beer to anyone who shows me anything even remotely close to
as broken as that POS.
(The DNS community should maybe start offering rewards for replacing it, to
anyone running djbdns, in real currency, just to purge it from the
internet.)

Brian



>
> Cheers,
> --
> Ondřej Surý <ondrej at sury.org> (He/Him)
>
> On 30. 7. 2022, at 19:37, Puneet Sood <puneets at google.com> wrote:
>
> 
>
>
> On Sat, Jul 30, 2022 at 10:26 AM Dave Lawrence <tale at dd.org> wrote:
>
>> Greg Choules via dns-operations writes:
>> > I am including in this mail the RNAME from the SOA (same for both
>> > zones) in the hope that someone who is responsible for DNS at Sony
>> > entertainment will see this and take note.
>>
>> And tell us what in the world DNS software they're running, and why
>> they chose it.
>>
>
> Jaap up-thread used fpdns to figure out the first question.
>
> fpdns e.ns.email.sonyentertainmentnetwork.com
> fingerprint (e.ns.email.sonyentertainmentnetwork.com, 207.251.96.133): DJ
> Bernstein TinyDNS 1.05 [Old Rules]
>
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