Hi Ondrej

> On 23 Jun 2021, at 08:10, Ondřej Surý <[email protected]> wrote:
> 
> Hi,
> 
> during the last RZ KSK rollover we scrambled to add the Root Key Sentinel
> to the code and as far as I know it did give us different data than was 
> expected.

I am going to assume you are referring to RFC8145 (Signaling Trust Anchor 
Knowledge in DNSSEC) and not RFC8509 (A Root Key Trust Anchor Sentinel for 
DNSSEC). My apologies if you meant the latter, as I have no information on that.

> So, my current question is:
> 
> - is it still useful?

Personally, I find it interesting data, but I currently have no business case 
for it.

> - will it be useful for the next RZ KSK rollover?

It may be.

> - is anybody gathering the data right now?

We (the Office of the CTO at ICANN) received accumulated stats from Root Server 
Operators before and during the last rollover. We do not receive them 
currently. While we have access to IMRS traffic data, we do not currently 
process RFC8145 signals.  

> - is anybody planning to gather the data before the next RZ KSK rollover?

I am going to assume that that is going to happen.

Hope this helps!

Warmly,

Roy


> 
> Thanks,
> Ondrej
> --
> Ondřej Surý (He/Him)
> [email protected]
> 
> 
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