$TTL 604800
@		IN SOA parrot.pcm.com.	root.pcm.com.(
			204774084	;serial
			604800		; Refresh
			  86400		; Retry
			2419200		; Expire
			 604800 )	; Negative Cache TTL
;

@	NS	parrot.pcm.com

16.2.168	IN	PTR	parrot.pcm.com.
11.2.168	IN	PTR	eagle.pcm.com.
14.2.168	IN	PTR	swan1.pcm.com.
15.2.168	IN	PTR	swan2.pcm.com.
13.2.168	IN	PTR	peacock.pcm.com.