Помогите с настройкой, вот named.conf

zone "." {                          
        type hint;                  
        file "named.root";          
};                                  
                                    
zone "0.168.192.in-addr.arpa" {      
        type master;                
        file "192.168.0.rev";        
};                                  
                                    
                                    
zone "0.0.127.in-addr.arpa" {        
        type master;                
                file "192.168.0.rev";
                };    

Файл 192.168.0.rev

@               IN      SOA     ***.   root.***. (    
                                2002041703      ; serial                
                                10800   ; refresh: 3 hours              
                                1800    ; retry: 30 minutes              
                                604800  ; expire: 1 week                
                                86400 ) ; minimum: 1 day                
                IN      NS      ***.ru.                        
                IN      NS      ***.ru.                      
                                                                        
15              IN      PTR     castle.***.                        
1               IN      PTR     gate.***.                    
2               IN      PTR     dialup1.***.                
3               IN      PTR     dialup2.***.                
8               IN      PTR     avatar.***.                  
18              IN      PTR     mail.***.                    

Почему он не даёт для подсети 192,168,0 ответы на запрос? Может чего то не донастроено