ipconfig / displaydns命令含义 [英] ipconfig/displaydns command meaning

问题描述

wt是ipconfig / displaydns命令的含义... plz help vry urgent .....

解决方案

Ipconfig / displaydns选项打印内容缓存：



此DNS缓存包含远程服务器名称列表以及它们对应的IP地址（如果有）。此缓存中的条目来自尝试访问网站，名为FTP服务器和其他远程主机时发生的DNS查找。 Windows使用此缓存来提高Internet Explorer和其他基于Web的应用程序的性能。



在家庭网络中，这些DNS选项有时对高级故障排除很有用。如果DNS缓存中的信息损坏或过时，您可能无法访问Internet上的某些站点。请考虑以下两种情况：

•网站，电子邮件服务器或其他服务器的IP地址发生变化（罕见）。在您上次访问后的24小时内，此网站的名称和地址通常会保留在您的缓存中。您可能需要清除缓存才能更快地访问服务器。





•上次访问时网站或其他服务器处于脱机状态它（希望是一个罕见的发生），但自从重新上线。缓存通常会保留服务器在您上次访问后离线5分钟的记录。您可能需要清除缓存以更快地访问服务器。



http：//compnetworking.about。 com / od / workingwithipaddresses / a / ipconfig.htm [ ^ ]

wt is the meaning of ipconfig/displaydns command... plz help vry urgent.....

解决方案

The Ipconfig/displaydns option prints the contents of the cache :

This DNS cache contains a list of remote server names and the IP addresses (if any) they correspond to. Entries in this cache come from DNS lookups that happen when attempting to visit Web sites, named FTP servers, and other remote hosts. Windows uses this cache to improve the performance of Internet Explorer and other Web-based applications.

In home networking, these DNS options are sometimes useful for advanced troubleshooting. If the information in your DNS cache becomes corrupted or outdated, you could face difficulty accessing certain sites on the Internet. Consider these two scenarios:
• The IP address of a Web site, email server or other server changes (rare occurence). The name and address of this site normally stay in your cache for 24 hours after your last visit. You may need to clear your cache to access the server sooner.


• A Web site or other server was offline when you last visited it (hopefully a rare occurence) but since has come back online. The cache will normally keep a record that the server is offline for 5 minutes afer your last visit. You may need to clear your cache to access the server sooner.

http://compnetworking.about.com/od/workingwithipaddresses/a/ipconfig.htm[^]

这篇关于ipconfig / displaydns命令含义的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！