$TTL	604800
@	IN	SOA	localhost. root.localhost. (
			      1		; Serial
			 604800		; Refresh
			  86400		; Retry
			2419200		; Expire
			 604800 )	; Negative Cache TTL
;
@		NS	localhost.
;
$GENERATE 1-9		$	PTR	pc00$.net101.local.
$GENERATE 10-99		$	PTR	pc0$.net101.local.
$GENERATE 100-254	$	PTR	pc$.net101.local.