$ORIGIN 229.125.59.in-addr.arpa.
$TTL 3D
@ SOA greencom.greencom.com.tw. root.greencom.com.tw. (2122100 4h 1h 1w 1h)
@ IN NS greencom.greencom.com.tw.
2 IN PTR greencom.greencom.com.tw.
2 IN PTR mail.greencom.com.tw.
2 IN PTR www.greencom.com.tw.
3 IN PTR dns.ali3.tw.
3 IN PTR mail.ali3.tw.
5 IN PTR dns.bking.tw.
6 IN PTR dns.greencom.tw.
8 IN PTR dns.koonatea.com.tw.
9 IN PTR dns9.greencom.com.tw.