@ IN SOA ns1.paopao.org. root.paopao.org. (
2003082102 ; Serial
10800 ; Refresh
3600 ; Retry
604800 ; Expire
86400 ) ; Minimum

IN NS ns1.paopao.org.

IN PTR yz.paopao.org.
IN A 255.255.255.0

11 IN PTR gate.yz.paopao.org

21 IN PTR airc.yz.paopao.org.

100 IN PTR heso100.yz.paopao.org.
101 IN PTR heso101.yz.paopao.org.
102 IN PTR heso102.yz.paopao.org.
103 IN PTR heso103.yz.paopao.org.
104 IN PTR heso104.yz.paopao.org.
105 IN PTR heso105.yz.paopao.org.
106 IN PTR heso106.yz.paopao.org.
107 IN PTR heso107.yz.paopao.org.
108 IN PTR heso108.yz.paopao.org.
109 IN PTR heso109.yz.paopao.org.
110 IN PTR heso110.yz.paopao.org.
111 IN PTR heso111.yz.paopao.org.
112 IN PTR heso112.yz.paopao.org.