[Unit]
Description=Unbound recursive Domain Name Server
After=network-online.target
After=unbound-keygen.service
Wants=unbound-keygen.service
After=unbound-anchor.service
Wants=unbound-anchor.service
Before=nss-lookup.target
Wants=nss-lookup.target

[Service]
Type=simple
EnvironmentFile=-/etc/sysconfig/unbound
ExecStartPre=/usr/sbin/unbound-checkconf
ExecStart=/usr/sbin/unbound -d $UNBOUND_OPTIONS
ExecReload=/usr/sbin/unbound-control reload
Restart=on-abnormal

[Install]
WantedBy=multi-user.target