dns 구동시 에러 해결좀~해주세요

service named start

/etc/named.conf:10: unknown option 'zone'
/etc/named.conf:15: unknown option 'zone'
/etc/named.conf:21: unknown option 'zone'
/etc/rndc.key:1: unknown option 'key'
/etc/named.conf:27: 'directory' redefined near 'directory'

Jan 11 20:37:29.627 using 1 CPU
Jan 11 20:37:29.636 loading configuration from '/etc/named.conf'
Jan 11 20:37:29.636 /etc/named.conf:6: unknown option 'controls'
Jan 11 20:37:29.636 /etc/named.conf:10: unknown option 'zone'
Jan 11 20:37:29.637 /etc/named.conf:15: unknown option 'zone'
Jan 11 20:37:29.637 /etc/named.conf:21: unknown option 'zone'
Jan 11 20:37:29.637 /etc/rndc.key:1: unknown option 'key'
Jan 11 20:37:29.637 /etc/named.conf:27: 'directory' redefined near 'directory'
Jan 11 20:37:29.638 loading configuration: already exists
Jan 11 20:37:29.638 exiting (due to fatal error)

named.conf

      5         // query-source address * port 53;  // DNS ... ip. .. .. (..)
      6         controls { //==> 127.0.0.1 .. rndc. ... ... ..... ..
      7         inet 127.0.0.1 allow { localhost; } keys { rndckey; };
      8 };
      9 // .. .. .. ..
     10 zone "." IN {
     11         type hint;
     12         file "named.ca";
     13 };
     14 // localhost . .. ..
     15 zone "localhost" IN {
     16         type master;
     17         file "localhost.zone";
     18         allow-update { none; };  //.... .. ..... ...... ..... ... none
     19 };
     20 // 127.0.0.X . .. . ...
     21 zone "0.0.127.in-addr.arpa" IN {
     22         type master;
     23         file "named.local";
     24         allow-update { none; };
이러케 되어 있습니다 어케 해야 될까요?