systemd unit files for dnssec-keymgr (bind 9.16). No longer relevant with 9.18, but might still be useful. Archiving it here.
dnssec-keymgr@.service
:
[Unit]
Description=dnssey-keymgr for %i
[Service]
Environment=DNSSEC_POLICY_FILE=/etc/dnssec-policy.conf