google dns cache check

This article describes how to check whether the local DNS server works normally and how to update it. When we access a website, we directly enter the domain name in the browser, for example, www.webweb.com, when a website fails to be accessed

Improve the speed of web pages, generally we will choose to use a CDN, using the "nearest principle" to allow users in the shortest possible time to obtain the server resources, the actual application of the use of CDN to improve the speed of

Each IP address can have a host name that consists of one or more strings separated by a decimal point. With the hostname, do not memorize each IP device IP address, just remember the relative intuitive meaningful host name on the line. This is the

DNS domain name resolution The purpose of the domain name resolution is to convert the website name that users use to the TCP/IP protocol, and hostname is just convenient for people to remember, after all, IP is a pure digital address to the user

Check whether the dns server change takes effect.First, let's take a look at the domain name resolution sequence priority:  1. Local DNS Cache2. Local Hosts file3. DNS Server  View the local DNS Cache: ipconfig/displaydns  Clear local DNS Cache:

previous Periodwe encountered a very crash problem, the game at some point in the WiFi can not log in, switch to 4G. The error code is curle_couldnt_resolve_host, and the code is checked, which occurs when the resource update server is connected. On

Zendframework publishing question: cannot resolve DNS? In zend studio9.0.3 under the development project: myzf, modified the apache httpd. conf, httpd-vhost.conf and other related content, and added 127.0.0.1 myzf.com in hosts, restarted

Design a Cache SystemSimilar to our previous posts, we would like to select system Design interview questions that is popular and practical so That's the only can get ideas on how to analyze problems in a interview, but learn something interesting

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

Tutorial on DNS spoofing-Cain on Windows Today, we will first introduce how to use the famous Cain tool in windows for DNS Spoof (that is, DNS Spoofing). This tutorial is mainly intended for new users. Therefore, each step is captured in detail, I