[root@a24uall ~]# service named start
Starting named:
Error in named configuration:
zone localhost/IN: loaded serial 42

Solution :

cd /etc/init.d
mv named named.backup
wget http://www.directadmin.com/named
chmod 755 named
/sbin/chkconfig named reset

URL :  http://help.directadmin.com/item.php?id=40