CentOSでDNSを設定中なのですが、エラーが出ています。
そのエラーの内容が分かりませんので、教えて下さい。

[root@centserver ~]# service named start
named を起動中:
named 設定でエラー: :
dns_rdata_fromtext: localhost.zone:2: near 'root.localhost.': not a valid number
zone localhost/IN: loading master file localhost.zone: not a valid number
_default/localhost/IN: not a valid number
dns_rdata_fromtext: localhost.rev:2: near 'root.localhost': not a valid number
zone 0.0.127.in-addr.arpa/IN: loading master file localhost.rev: not a valid number
_default/0.0.127.in-addr.arpa/IN: not a valid number
dns_rdata_fromtext: yokohama.jp.zone:11: near 'centserver.yokohama.jp.': not a valid number
zone yokohama.jp/IN: loading master file yokohama.jp.zone: not a valid number
_default/yokohama.jp/IN: not a valid number
zone 0.168.192.in-addr.arpa/IN: loaded serial 2009110301
[失敗]