Moin!

On 23 Feb 2023, at 23:53, Jim Reid wrote:
>> On 23 Feb 2023, at 22:36, Ted Lemon <mel...@fugue.com> wrote:
>> How much DNS traffic is even still inspectable these days?
>
> Depends on the definition of DNS traffic Ted. DNS-OARC has many TB of pcaps 
> and query logs from the DITL project. Whether that data could be good enough 
> to meaningfully measure the incidence of QDCOUNT>1 in the real world is 
> anyone’s guess. I suppose it’ll be difficult (and very subjective) to 
> distinguish between “real” QDCOUNT>1 queries and the ones from junk 
> implementations that are just part of the DNS’s background noise.

These DITL data is useless for that question as no resolver worths its name 
would send qdcount>1 and that is most of what you see in DITL. If at all we 
would see it on the client/stub resolver side, but I assume it is 0 there too, 
and IMHO it should be 0 going forward.

So long
-Ralf
---
Ralf Weber

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