client @0x7f9c80041c20 127.0.0.1#32918 (.): query (cache) './NS/IN' denied

hello,

i am getting following denied messages for my named service. anybody kindly suggest
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[root@server ~]# service named status -l
Redirecting to /bin/systemctl status  -l named.service
● named.service - Berkeley Internet Name Domain (DNS)
   Loaded: loaded (/usr/lib/systemd/system/named.service; enabled; vendor preset: disabled)
   Active: active (running) since Sun 2020-05-03 22:04:56 CEST; 11h ago
  Process: 835 ExecStart=/usr/sbin/named -u named -c ${NAMEDCONF} $OPTIONS (code=exited, status=0/SUCCESS)
  Process: 782 ExecStartPre=/bin/bash -c if [ ! "$DISABLE_ZONE_CHECKING" == "yes" ]; then /usr/sbin/named-checkconf -z "$NAMEDCONF"; else echo "Checking of zone files is disabled"; fi (code=exited, status=0/SUCCESS)
 Main PID: 868 (named)
   CGroup: /system.slice/named.service
           └─868 /usr/sbin/named -u named -c /etc/named.conf

May 04 09:47:52 server.smartwebsolutions.club named[868]: client @0x7f9c80041c20 127.0.0.1#32918 (.): query (cache) './NS/IN' denied
May 04 09:47:52 server.smartwebsolutions.club named[868]: client @0x7f9c7801d450 127.0.0.1#38424 (.): query (cache) './NS/IN' denied
May 04 09:48:12 server.smartwebsolutions.club named[868]: client @0x7f9c800d42f0 210.202.200.22#64976 (125.10.10.10.in-addr.arpa): query (cache) '125.10.10.10.in-addr.arpa/PTR/IN' denied
May 04 09:49:05 server.smartwebsolutions.club named[868]: client @0x7f9c800d42f0 210.202.200.22#64976 (66.10.10.10.in-addr.arpa): query (cache) '66.10.10.10.in-addr.arpa/PTR/IN' denied
May 04 09:52:52 server.smartwebsolutions.club named[868]: client @0x7f9c80041c20 127.0.0.1#50594 (.): query (cache) './NS/IN' denied
May 04 09:52:52 server.smartwebsolutions.club named[868]: client @0x7f9c780486e0 127.0.0.1#38502 (.): query (cache) './NS/IN' denied
May 04 09:56:25 server.smartwebsolutions.club named[868]: client @0x7f9c800c5cc0 210.202.200.22#64976 (111.10.10.10.in-addr.arpa): query (cache) '111.10.10.10.in-addr.arpa/PTR/IN' denied
May 04 09:56:57 server.smartwebsolutions.club named[868]: client @0x7f9c800c5cc0 210.202.200.22#64976 (211.10.10.10.in-addr.arpa): query (cache) '211.10.10.10.in-addr.arpa/PTR/IN' denied
May 04 09:57:52 server.smartwebsolutions.club named[868]: client @0x7f9c80041c20 127.0.0.1#36754 (.): query (cache) './NS/IN' denied
May 04 09:57:52 server.smartwebsolutions.club named[868]: client @0x7f9c800b7150 127.0.0.1#38550 (.): query (cache) './NS/IN' denied
[root@server ~]#