On 10 Apr 2019, at 06:31, Davey Song(宋林健) <ljsong@biigroup.cn> wrote:

I noticed that no stand-by KSK is pre-published in 2017-ksk rollover, right? I put it due to the limitation of size of DNS response.

I think it's more to do with the fact that no standby KSK has been generated. Joe