KSK signing zone records

[raf]

On Mon, Aug 30, 2021 at 10:13:05AM -0700, Chris Buxton <clists at buxtonfamily.us> wrote:

> What algorithm(s) are you using for ZSK and KSK? If they’re not the
> same algorithm, then both will be used to sign the entire zone.
> 
> Regards,
> Chris Buxton

Just out of curiosity, why is that?
Isn't having the KSK sign the ZSK enough?
What difference does the nature of the thing
being signed make?

cheers,
raf