Edit File: unbound.service
[Unit] Description=Unbound recursive Domain Name Server After=syslog.target network.target After=unbound-keygen.service Wants=unbound-keygen.service Wants=unbound-anchor.timer Before=nss-lookup.target Wants=nss-lookup.target [Service] Type=simple EnvironmentFile=-/etc/sysconfig/unbound ExecStartPre=/usr/sbin/unbound-checkconf ExecStartPre=-/usr/sbin/unbound-anchor -a /var/lib/unbound/root.key -c /etc/unbound/icannbundle.pem ExecStart=/usr/sbin/unbound -d $UNBOUND_OPTIONS [Install] WantedBy=multi-user.target