DNS 反向解析出错 Error in named configuration: zone centos.vbird/IN: loaded serial 2011080401 有大用

[root@master ~]# /etc/init.d/named restart
停止 named：                                               [确定]
启动 named：
Error in named configuration:
zone centos.vbird/IN: loaded serial 2011080401
dns_master_load: named.192.168.100:2: unexpected end of line
dns_master_load: named.192.168.100:1: unexpected end of input
named.192.168.100:3: using RFC1035 TTL semantics
zone 100.168.192.in-addr.arpa/IN: loading from master file named.192.168.100 failed: unexpected end of input
zone 100.168.192.in-addr.arpa/IN: not loaded due to errors.
_default/100.168.192.in-addr.arpa/IN: unexpected end of input
                                                          [失败]
出现这个问题，本人表示查了很久，最后才发现，一个符号的问题，