Set up the DNS server error, don't know because what-CodePudding

[root @ bogon etc] # vi named. Conf
[root @ bogon etc] #/etc/init. D/named restart
Stopping named: [OK
Starting named:
The Error in named configuration:
The/etc/named. Rfc1912. Zones: 13: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 19: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 25: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 31: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 37: unknown option 'zone'
The/etc/named. Root. The key: 1: unknown option 'managed - keys'
[FAILE
[root @ bogon etc] # vi named. Conf
[root @ bogon etc] #/etc/init. D/named restart
Stopping named: [OK
Starting named:
The Error in named configuration:
The/etc/named. Rfc1912. Zones: 13: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 19: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 25: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 31: unknown option 'zone'
The/etc/named. Rfc1912. Zones: 37: unknown option 'zone'
The/etc/named. Root. The key: 1: unknown option 'managed - keys'
[FAILE
[root @ bogon etc] # vi named. Conf
[root @ bogon etc] #/etc/init. D/named restart
Stopping named: [OK
Starting named: [OK
[root @ bogon etc] #

When I commented out//include "/etc/named. Rfc1912. Zones";
//include/etc/named. Root. "the key".

Can start, what is the principle