After consulting with Andreas it seems on the switch between 9.11 -> 9.16 a few things got lost in Debian as that was branched earlier - [1] is an effort to bring some back. This might be one more of them.
Subscribing the team to take a deeper look.
[1]: https://salsa.debian.org/dns-team/bind9/-/merge_requests/8
After consulting with Andreas it seems on the switch between 9.11 -> 9.16 a few things got lost in Debian as that was branched earlier - [1] is an effort to bring some back. This might be one more of them.
Subscribing the team to take a deeper look.
[1]: https:/ /salsa. debian. org/dns- team/bind9/ -/merge_ requests/ 8