Hello!

first of all, thank you for a wonderful authoritative DNS server; as mentioned a while back, I'm loving the automatic key management and DS push; both work a treat.

I have a requirement for manual key management and that is to be able to roll KSK keys a la RFC 5011 for both BIND and Unbound instances to automatically change their trust anchors.

In Knot I can retire a key and subsequently have it removed, but the key isn't revoked (a.k.a. key flags 257+128 == 385).

        keymgr . set 41155 active=+1mi retire=+5mi remove=+60mi

As such, BIND will, when this particular KSK is removed from the DNSKEY RRset, (rightly) complain:

managed-keys-zone: Active key 41155 for zone . unexpectedly missing managed-keys-zone: Key 30377 for zone . is now trusted (acceptance timer complete)

I've not found the word 'revoke' in the documentation, and no flags I can set with keymgr(8) seem to indicate that I can revoke a key. Can you help me, please?

As an aside, I've noticed that when keymgr's `remove' time is reached, the key is removed from the zone (which is expected), however the key itself remains in the key store. From there, I can delete it, but I can also set flags on it in such a way as that it's brought *back* into the zone. Is that expected behaviour? It's not a problem per se, I'd just like to know whether I've understood the system.

Thank you and kind regards,

        -JP
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