acl CNCGROUP {
58.16.0.0/16;
58.17.0.0/17;
58.17.128.0/17;
58.18.0.0/16;
58.19.0.0/16;
............................
58.20.0.0/16;
58.21.0.0/16;
58.22.0.0/15;
58.144.0.0/16;
222.163.64.0/18;
222.163.128.0/17;
};
view "CNCGROUP" {//定义网通域文件
      match-clients{CNCGROUP;};
      recursion yes;
      zone "sian.com.cn"{
           type master;
           file "CNC_sian.com.cn";
      };
};

view "external" {//定义非网通域文件
      match-clients { any; };
      recursion no;
      zone "sian.com.cn"{
           type master;
           file "sian.com.cn";
      };
};