named.conf配置如下：

options {
    //listen-on port 53 { 127.0.0.1; };
    //listen-on-v6 port 53 { ::1; };
    directory     "/var/named";
    dump-file     "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
        memstatistics-file "/var/named/data/named_mem_stats.txt";
    //allow-query     { localhost; };
    recursion yes;

    dnssec-enable no;
    dnssec-validation no;
    dnssec-lookaside auto;

    allow-query-cache { any; };
    allow-query { any; };

    /* Path to ISC DLV key */
    bindkeys-file "/etc/named.iscdlv.key";

    managed-keys-directory "/var/named/dynamic";
};

//----------------------------------------
//-------------- smart DNS ---------------
//----------------------------------------
//----------------- CU -------------------
include "/etc/named.cu.conf";
view "View_CU" {
    match-clients { CU; };

    zone "sdp.edu.cn" IN {
        type master;
        file "sdp.edu.cn-cu.zone";
        allow-update { none; };
    };
};
//----------------- CT -------------------
include "/etc/named.ct.conf";
view "View_CT" {
        match-clients { CT; };

        zone "sdp.edu.cn" IN {
                type master;
                file "sdp.edu.cn-ct.zone";
                allow-update { none; };
        };
};
//---------------- CERNET ----------------
include "/etc/named.cernet.conf";
view "View_CERNET" {
        match-clients { CERNET; };

        zone "sdp.edu.cn" IN {
                type master;
                file "sdp.edu.cn-cernet.zone";
                allow-update { none; };
        };
};
//---------------- ANY ----------------
view "View_ANY" {
        match-clients { any; };

        zone "sdp.edu.cn" IN {
                type master;
                file "sdp.edu.cn.zone";
                allow-update { none; };
        };
};