One is to send a fake response to the DNS lookup.
其中一种方法是将伪造的响应发送到DNS 查询。
There is another case where the reverse DNS lookup is required.
还有另一种情况，其中必须进行反向DNS 搜索。
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。
Forward DNS lookup is using an Internet domain name to find an IP address.
查找是指使用互联网域名来查找IP地址。
The browser can't download anything from this hostname until the DNS lookup is completed.
浏览器不能下载任何从此主机名直到完成DNS查找。
The first step in the navigation is to figure out the IP address for the visited domain. The DNS lookup proceeds as follows
导航的第一步是通过访问的域名找出其IP地址。
The process of translating a web address into an IP address through a DNS lookup, or vice versa, is often called “resolving.”
通过DNS解析将网络地址转为IP地址的过程，或相反，被称为“解析”。
Reduce DNS lookups: Whenever a user types in a domain name in their web browser address field, the browser performs a DNS lookup to the IP.
减少DNS查找：只要用户在浏览器的地址栏中键入域名，浏览器总会执行dns查找IP地址，网站拥越多的入口位置，必要的DNS查找也会越多。
These include one-shot exchanges such as DNS lookup, where the cost introduced by BEEP would be disproportionate, or tightly coupled RPC protocols like NFS.
其中包括只有一次的交换，如DNS查找，这里由BEEP引起的成本将不成比例，还包括紧密耦合的RPC协议，如nfs。
When messages are routed to these Send connectors, the external DNS lookup Settings that are configured for the source server are used to resolve IP addresses for the delivery destination.
将邮件路由到这些发送连接器时，将使用为源服务器配置的外部DNS查找设置来解析传递目标的IP地址。
Listing 6 shows the output during a Domain name Server (DNS) lookup for a hostname.
清单6显示了域名服务器(DNS)查找某个主机名期间的输出。
It is wise to have several DNS servers to rely on in case one should fail during an address lookup.
最好拥有多个DNS服务器，以防单个服务器在查找某个地址时无法找到。
You can see in this example that snoop has decoded the contents of the DNS protocol to show the raw data returned by the lookup.
在这个示例中，您可以看到，snoop已经对DNS协议的内容进行了解码，以显示查找过程所返回的原始数据。
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。
Sometimes, people will instead authenticate against a set of DNS names, and will thus do a lookup on the IP address before authenticating.
有时，人们会对一组DNS名称而不是IP 地址进行认证，因而要在认证之前查询 IP地址。
If you are not using DNS for Windows name resolution, you can use the nmblookup command to perform a NetBIOS name lookup.
如果您不使用DNS进行Windows名称解析，那么可以使用nmblookup命令执行一个NetBIOS名称查询。
A host record for the server, also known as an a resource record, is registered in a forward lookup zone in the DNS database.
服务器的主机记录(也称为A资源记录)在DNS数据库的正向查找区域中注册。
One method to determine whether DNS is in fact working is to use the name server lookup, or nslookup, command.
确定DNS实际是否在工作的一种方法是使用nameserverlookup或nslookup命令。
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。
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。
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