what is dns cache

Open a Web page with a "No server or DNS error" problem I'm sure you've all met, can be on the QQ, Thunder download, and directly enter the IP address can be successfully boarded, but could not open the Web page (IE, Ttravel and the World Window 3.0)

In fact, every time a computer accesses a domain name, it will automatically parse the entries, then the DNS cache file in the computer, although such operations let us later access to the domain name a little faster, but this operation will cause

1. AnalysisAfter entering the domain name will be resolved to the domain name, find the corresponding IP address, access to the domain name, is actually the domain name of the corresponding IP, look for a sequence, when the previous step was not

In the actual application process may encounter the problem of DNS parsing errors, that is, when we access a domain name can not be completed to resolve the work of the IP address, and the direct input of the Web site IP can be normal access, this

Q: Can you not lose the password, directly to login to the Windows 2003 system? A: Very simple, through the deceitful Act can be done. To the Windows XP system, locate the Nusrmgr.cpl file by using the file lookup, which, by default, is stored in

SQL Server High-availability scenarios Scenario One:asynchronous Mirror + AliasProgram IntroductionThe database server configures an asynchronous mirroring relationship, and the program client connection string configures the alias connection.1.

In the actual application process may encounter the problem of DNS parsing errors, that is, when we access a domain name can not be completed to resolve the work of the IP address, and the direct input of the Web site IP can be normal access, this

The probability of this phenomenon is relatively large, so this article will be from the beginning of zero to teach readers some basic troubleshooting DNS troubleshooting methods. first, what is a DNS resolution failure? Generally speaking, as

New Win7 system, open Google Browser, show that the Web page may be temporarily unable to connect, or it has been permanently moved to the address. In the network search for a lot of data, found that the solution is as follows, the test

When we enter www.linux178.com in the address bar of the browser, and then go to the car, enter this moment to see the page in the end what happened. The following procedure is only a personal understanding: Domain name resolution--> initiate

Appendix C: Best Practices for network security Steve riley,microsoft Communications Industry Solutions Group Consulting Practice August 7, 2000 This essay discusses the best solution for network design and security. Although there are many ways

Linux is an open-source operating system that supports various hardware platforms. Linux servers are world-renowned. The main difference between Linux and Windows is that, by default, a Linux server does not provide a GUI (graphical user interface)

Recently, I have seen a number of articles on DNS faults on CB, most of which have errors. The problem is due to DNSPod, which is the illusion of innocent victims. Here I think it is necessary to say that DNSPod is an innocent victim, and all the

Install pdnsd in magiclinux to accelerate domain name resolution-Linux Enterprise Application-Linux server application information. The following is a detailed description. Today, magiclinux 2.1 beta1 was installed. When I browsed the web page using

First, access to the basic process of the siteThe first step: client users in the browser input Www.51cto.com website, enter, the system will first find the system local DNS cache and Hosts file information, determine if there is a www.51cto.com

1. Parsing URLs________________________________________________________________________About URLs:URL (Universal Resource Locator): Uniform Resource Locator. Commonly known as Web address or URL.The URL is used to represent the address of a resource.

Reprint: http://iliuyong.iteye.com/blog/1035692 use ROS to do intranet DNS serverMethod:1.ROS settingsIP-"DNS Select" Static "tabClick "+", name casually, address fill your router intranet Ip,ttl default. "OK"There should already be a DNS server

I developed PROJECT:MYZF under Zend studio9.0.3, modified Apache httpd.conf, httpd-vhost.conf and other related content, and added 127.0.0.1 in the hosts myzf.com, restarted Apache. After entering http://myzf.com in IE, prompt: "Domain name cannot

System Performance Tuning for CentOS servers Linux is an open-source operating system that supports various hardware platforms. Linux servers are world-renowned. The main difference between Linux and Windows is that, by default, a Linux server does

Linux server performance tuning skills, linux Server TuningPerformance tuning skills for 20 Linux servers Guide Linux is an open-source operating system that supports various hardware platforms. Linux servers are world-renowned. The main