Quick copy/paste/change but something like this should be okay:
Code:
$TTL 1w
@ IN SOA 19.116.202.in-addr.arpa. hostmaster.yourdomain.com. (
; Changed By : you
2002021500 ; Serial
3h ; Refresh
30M ; Retry
2w ; Expire
1W ; Minimum
)
IN NS ns1.yourdomain.com.
IN NS ns2.yourdomain.com.
xx IN PTR ns.thatdomain.com.
yy IN PTR blah.thatdomain.com.
Where xx and yy (and zz and aa and ...) are your range numbers.