when i clicked restart dns it gave this error "Job for named.service failed because the control process exited with error code. See "systemctl status named.service" and "journalctl -xe" for details."
when i check the bind status, it showed this error
● named.service - Berkeley Internet Name Domain (DNS)
Loaded: loaded (/usr/lib/systemd/system/named.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Wed 2018-03-07 16:00:25 CET; 11s ago
Process: 8688 ExecStartPre=/bin/bash -c if [ ! "$DISABLE_ZONE_CHECKING" == "yes" ]; then /usr/sbin/named-checkconf -z "$NAMEDCONF"; else echo "Checking of zone files is disabled"; fi (code=exited, status=1/FAILURE)
Mar 07 16:00:25 orjahhost systemd[1]: Starting Berkeley Internet Name Domain (DNS)...
Mar 07 16:00:25 orjahhost bash[8688]: /etc/named.conf:76: zone '': is not a valid name
Mar 07 16:00:25 orjahhost systemd[1]: named.service: control process exited, code=exited status=1
Mar 07 16:00:25 orjahhost systemd[1]: Failed to start Berkeley Internet Name Domain (DNS).
Mar 07 16:00:25 orjahhost systemd[1]: Unit named.service entered failed state.
Mar 07 16:00:25 orjahhost systemd[1]: named.service failed.
I really need your help guys. Thank you very much.