$ORIGIN 174.140.in-addr.arpa.
71		IN	SOA	barn.com. hostmaster.barn.com. (
		940180940 3600 3600 3600000 3600 )
		IN	NS	barn.com.
$ORIGIN 71.174.140.IN-ADDR.ARPA.
2		IN	PTR	treat.barn.com.
3		IN	PTR	bile.barn.com.
1		IN	PTR	polyp.barn.com.