\$ORIGIN .
\$TTL $zone[8]
${inaddr}.in-addr.arpa	IN SOA	$zone[4]. $zone[3] (
				$zone[2]     	; serial
				$zone[7]		; refresh interval
				$zone[6]		; retry interval
				$zone[5]		; expire interval
				$zone[8]		; min ttl
				)

			#for $ns in $nameservers
			NS 	$ns[0]
			#end for