Reboot the system after the forward and reverse lookup zones have been created.
创建了正向和反向查找区域后，重新启动系统。
During login, a host may perform a reverse lookup on the IP address of the source address on the packets it receives.
在登录期间，主机可能会对它收到的数据包的源地址的IP地址执行反向查找。
Configure forward and reverse lookup zones.
配置正向和反向查找区域。
To enable this, you must configure both a forward lookup zone and a reverse lookup zone in the Windows DNS.
为此，必须在WindowsDNS中配置一个正向查找区域和一个反向查找区域。
Note If you have reverse lookup zones, also remove the server from these zones.
注意：如果有反向查找区域，也要将服务器从这些区域中删除。
Because the reverse domain lookup can be anything the owner of the address block wants, the second lookup is necessary to ensure that no spoofing is taking place.
因为反向域名搜索可以由地址块所有者确定，所以要防止ip欺骗的发生，必须进行第二次查找。
A reverse lookup record for the server, also known as a PTR resource record, is registered in a reverse lookup zone in the DNS database.
服务器的反向查找记录(也称为PTR资源记录)在DNS数据库的反向查找区域中注册。
Reverse DNS lookup is using an Internet IP address to find a domain name.
反向域名系统(DNS)查找是指使用互联网IP地址来查找域名。
Similarly a function is provided to do the reverse lookup - given an IP address, look up the corresponding hostname.
相类似的功能是反向查找——给出IP地址，查找相应的主机名。
Similarly a function is provided to do the reverse lookup - given an IP address, look up the corresponding hostname.
相类似的功能是反向查找——给出IP地址，查找相应的主机名。
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