$ORIGIN .
$TTL 604800	; 1 week
sio-ab.lan		IN SOA	dns1-ab-sio.lan.sio-ab.lan. root.dns1-ab-sio-ab.lan. (
				2          ; serial
				604800     ; refresh (1 week)
				86400      ; retry (1 day)
				2419200    ; expire (4 weeks)
				604800     ; minimum (1 week)
				)
			NS	dns1-ab.sio-ab.lan.
			A	127.0.0.1
$ORIGIN sio-ab.lan.
deb-dhcp-ab		A	192.168.0.140
dhcp			CNAME	deb-dhcp-ab
dns1			CNAME	dns1-ab
dns1-ab			A	192.168.0.141
dns2			CNAME	dns2-ab