/etc/named.conf

options { 
    directory "/var/named"; 
}; 
view "in" { 
    match-clients { 
        127.0.0.0/8; 
        192.168.1.0/24; 
    }; 
    recursion yes; 
    zone "." { 
        type hint; 
        file "named.root"; 
    }; 

    zone "localhost" IN { 
        type master; 
        file "localhost.zone"; 
        allow-update { none; }; 
    }; 

    zone "0.0.127.in-addr.arpa" IN { 
        type master; 
        file "0.0.127-rev"; 
        allow-update { none; }; 
    }; 

    zone "yamasita.jp" IN { 
        type master; 
        file "yamasita.jp-in-zone"; 
        allow-update { 192.168.1.0/24; }; 
    }; 

    zone "1.168.192.in-addr.arpa" { 
        type master; 
        file "1.168.192-rev"; 
        allow-update { 192.168.1.0/24; }; 
    }; 
};