huong dan cai dns server tren centos 7 code example

Example: huong dan cai dns server tren centos 7

$TTL     86400
@        IN         SOA         server.adminvietnam.org. root (
                                3;
                                28800;
                                7200;
                                604800;
                                86400;
)
         IN         NS          server.adminvietnam.org.
         IN         MX 10       server
         IN         A           172.16.1.14
server   IN         A           172.16.1.14
www      IN         CNAME       server
ftp      IN         CNAME       server
mail     IN         CNAME       server