When the domain with empty name was removed, the whole directory
/var/named/ was removed from BIND nameserver.
Issue is acknowledged as #POA-111939.
Recreate BIND installation (in the example below the
19is the ID of the node and the
6099is the ID of
bind9package, installed on the node):
# /usr/local/pem/bin/ppm_ctl -f /usr/local/pem/etc/pleskd.props -b reinstall 19 6099
Propagate zones to the server as per the following KB article: