[Unit]
Description=BIND Domain Name Server
Documentation=man:named(8)
After=network.target

[Service]
EnvironmentFile=-/etc/default/bind9
ExecStart=/usr/sbin/named -f $OPTIONS
ExecReload=/usr/sbin/rndc reload
ExecStop=/usr/sbin/rndc stop

[Install]
WantedBy=multi-user.target