紀錄誰來使用DNS
#vi /etc/namedb/named.conf
-----------------------------------
include "/etc/namedb/named.conf.log"; 
//新增此行就好
----------------------------------
#vi /etc/namedb/named.conf.log
----------------------------------

logging {
     channel query_logging {
         file "/var/log/named_querylog"
         versions 3 size 100M;
         print-time yes; // timestamp log entries
         print-severity yes
         print-category yes;

      };

      category queries {
          query_logging;
      };
};
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注意：file "/var/log/named_querylog"
檔案的真實位置是在/var/namedb/var/log/named_querylog

之後tail -f  /var/namedb/var/log/named_querylog
可看到成果

其他參考

logging of DNS queries/responses