Linux服务器配置之DNS配置
区域文件（位于/var/named/）：
正向解析文件xuwin.com.db
$TTL 86400
xuwin.com. IN SOA dns.xuwin.com. admin.xuwin.com.(
2002103000
28800
14400
3600000
86400 )
xuwin.com. IN NS dns.xuwin.com.
dns IN A 192.168.216.133
www IN A 192.168.216.250
mail IN A 192.168.216.251
ftp IN A 192.168.216.252
bbs IN CNAME dns
xxx IN CNAME www
xuwin.com. IN MX 10 mail.xuwin.com.
反向解析文件192.168.216.db
$TTL 86400
216.168.192.in-addr.arpa. IN SOA dns.xuwin.com. admin.xuwin.com. (
2002103000
28800
14400
3600000
86400 )
216.168.192.in-addr.arpa. IN NS dns.xuwin.com.
133.216.168.192.in-addr.arpa. IN PTR dns.xuwin.com.
250.216.168.192.in-addr.arpa. IN PTR www.xuwin.com.
251 IN PTR mail.xuwin.com.
252 IN PTR ftp.xuwin.com.
