Linux下DNS服务器搭建详解(4)

                                                                        #否定答案ttl值，表示查询不到再次查询需要时间
                                                                           ）                              
@                   IN          NS          localhost.                                     
#当前域的DNS服务器是localhost.                                              
localhost.          IN          A           127.0.0.1
named.local
vim named.local
$TTL 86400             
@                    IN      SOA     localhost.  admin.localhost.      （
                                                                        2011081601  
                                                                        1H