> Any idea?

I found a fix. I noticed a difference in the "keymgr" output for zones
which publish CDS/CDNSKEY and for zones which don't.

Zones not showing the CDS/CDNSKEY have "ready=0" in the output of:
keymgr <zone> list

Changing "ready=0" to some value e.g. now and resigning the zone fixes
the problem and publishes the CDS/CDNSKEY record.

Fix:
keymgr <zone> set <key_spec> ready=1534356842
kzonec zone-sign <zone>

If I manually create a key it has ready set to 0, e.g.:
keymgr <zone> generate algorithm=13 ksk=yes zsk=yes

keymgr <zone> list
1ae97d2478865aad20148abcb0a02a59748dad6a ksk=yes zsk=yes tag=64141
algorithm=13 public-only=no  created=1534357158 pre-active=0
publish=1534357158 ready=0 active=1534357158 retire-active=0 retire=0
post-active=0 remove=0
....

I can't remember how the keys for my old zones have been created. In any
case, I guess it should be sufficient to publish the "CDS/CDNSKEY"
records if "publish" is set to some value in the past. Is this a bug?

Daniel
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