zwebhosting.in
域名年龄: 11年5个月3天HTTP/1.1 500 Internal Server Error 服务器:Apache/2 过期时间:1984年01月11日 13:00:00 缓存控制:不缓存,必须更新, max-age=0 其他指令:不缓存 修改日期:2013年08月10日 00:55:40 动作:Accept-Encoding,User-Agent Content-Encoding: gzip 类型:text/html; charset=utf-8 文件大小:263 接受单位:字节 访问时间:2013年08月10日 00:55:40 连接:keep-alive 网站编码:utf-8
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zWeb Hosting A Blog for Web Hosting, Domain Names, Web Design etc. Home Web Hosting Domain Names Web Design | All For Web Blog Free Advertising Recent Posts All About The DNS Domain Name System How To Write The Greatest Article Ever Written! 101 High Paying Keywords You Can Use How to Share Your Website With Social Networking Giants Registering A Domain? Wait! 10 Tips For You! Best Web Site Design Software Google Adwords: An Advice For Market Research Are Free Domain Names Worth The Cost? Free Domain Registration With Web Root Tech How To Become A Super Affiliate In Niche Markets Categories Select Category Domain Names (8) Internet Marketing (6) Softwares (2) Web Design (3) Web Hosting (6) Archives Select Month September 2011 August 2011 June 2011 May 2011 March 2011 February 2011 January 2011 July 2010 June 2010 zWebHosting Account RegisterLog in Entries RSS Comments RSS WordPress.org Search for: Sep 9 All About The DNS Domain Name System September 9, 2011 | Leave a Comment We all know that in the world of domain names today, the presence of the DNS domain name system is very much significant. It is interesting to know that the acronym DNS actually stands for Domain Name System/Service/Server. However, I will be using the term DNS domain name system here to provide you with a clear knowledge about the meaning of this particular thing. The DNS domain name system is actually a powerful tool that contributes a great part in the domain name process. It is often described as an internet service that translates or transforms the domain names into an IP or Internet Protocol address. Aside from knowing such basic function of the DNS domain name system, it is also interesting to learn that a basic possession of the DNS domain name system is caching. This property takes place in situations when a server welcomes information about a mapping, it caches that information. Therefore, with such function, a later question for similar mapping can use the cached output, and will not result to additional questions to other servers. And generally, the DNS domain name system applies the caching to optimize the cost of the search. But how does the DNS domain name system caching works? In terms of caching, it is very nice to know that every server has a cache for currently applied names along with records of where the mapping data for a particular name was taken. So when a particular client is asking the server to determine a certain domain name, the DNS domain name system then does check if it has the power for a domain name, and if it does, the system doesn’t need to cache the information. However, if it has no authority for a domain name, the DNS domain name system then checks its cache whether the domain name has been resolved currently, and if yes, the DNS domain name system reports the caching data to its clients. There are some instances that the DNS domain name system cache can be examined when the system cached the data once, but didn’t adjust i
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