$TTL	604800
@	IN	SOA	nas.toccata. root.localhost (
			      2		; Serial
			 604800		; Refresh
			  86400		; Retry
			2419200		; Expire
			 604800 )	; Negative Cache TTL
;
@	IN	NS	nas.toccata.
nas	IN	A	192.168.0.6
router	IN	A	192.168.0.1
pc	IN	A	192.168.0.3
