Bind 9 Logging Setting Sample

logging {
        category lame-servers { null; };
        category default { query_logging ; } ;
        category queries { query_logging ; } ; 
        category resolver { query_logging ; } ;
        channel query_logging {
                file "/var/log/named/bind.log";
                print-category yes;
                print-severity yes;
                print-time yes;
        };
};