; Specify the time-to-live( TTL ) for the zone
$TTL 86400  ; 1 Day ( we could have used 1D )

; Begin Start Of Authority resource record
0.168.192.IN-ADDR.ARPA. IN  SOA server1.example.com. root.server1.example.com.(
				2003040100	; serial number
				1H 		; refresh slave
				5M 		; retry query
				1W 		; expire
				1M 		; negative TTL 
)

; Specify our name servers 
; !!WARNING: You can not use CNAMEs for RDATA here !!
; owner			TTL	CL  type	RDATA
@				IN  NS  	server1.example.com.

; List our PTR records ( rev lookup ) here
; owner			TTL	CL  type	RDATA
254.0.168.192.IN-ADDR.ARPA.	IN  PTR		server1.example.com.

; For the RHEL5.1 changes

; Note that we're not actually delegating the students authority to
; manage their IP addresses...so their server and our server will 
; disagree on the correct reverse lookup for their IP address, and
; we're both claiming to be authoritative.  Naughty of us.  :)  We
; have to do this, since their server won't be there most of the
; time to delegate to.  Doesn't matter for ownerXX.example.com.

152                    IN  PTR         gns1.example.com.
154                    IN  PTR         gns3.example.com.
156                    IN  PTR         gns5.example.com.
158                    IN  PTR         gns7.example.com.
160                    IN  PTR         gns9.example.com.
162                    IN  PTR         gns11.example.com.
164                    IN  PTR         gns13.example.com.
166                    IN  PTR         gns15.example.com.
168                    IN  PTR         gns17.example.com.
170                    IN  PTR         gns19.example.com.
172                    IN  PTR         gns21.example.com.
174                    IN  PTR         gns23.example.com.
176                    IN  PTR         gns25.example.com.
178                    IN  PTR         gns27.example.com.
180                    IN  PTR         gns29.example.com.
182                    IN  PTR         gns31.example.com.
184                    IN  PTR         gns33.example.com.
186                    IN  PTR         gns35.example.com.
188                    IN  PTR         gns37.example.com.
@                                    IN  NS             gns1.example.com.
@                                    IN  NS             gns3.example.com.
@                                    IN  NS             gns5.example.com.
@                                    IN  NS             gns7.example.com.
@                                    IN  NS             gns9.example.com.
@                                    IN  NS             gns11.example.com.
@                                    IN  NS             gns13.example.com.
@                                    IN  NS             gns15.example.com.
@                                    IN  NS             gns17.example.com.
@                                    IN  NS             gns19.example.com.
@                                    IN  NS             gns21.example.com.
@                                    IN  NS             gns23.example.com.
@                                    IN  NS             gns25.example.com.
@                                    IN  NS             gns27.example.com.
@                                    IN  NS             gns29.example.com.
@                                    IN  NS             gns31.example.com.
@                                    IN  NS             gns33.example.com.
@                                    IN  NS             gns35.example.com.
@                                    IN  NS             gns37.example.com.