in
address: [185.91.97.18, 2a05:e380:2:4::2] #
nabil.beirutix.net
if this is a tab character ^
# knotc conf-check
error: config, file '/etc/knot/knot.conf', line 324, item 'address', value
'2a05:e380:2:4::2' (tabulator character is not allowed)
blanks are ok
# knotc --version
knotc (Knot DNS), version 3.2.6
yes, that is the latest on debian 12
randy