google dns 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

The beginning, end, and analysis of DNS pollution nationwide in January 21, 2014 Ovear was debugging a new server at around on June 30, January 21, and it was found that it suddenly failed .. Ping the following command and find that all Ovear

Ovear was debugging a new server at around on June 30, January 21, and it was found that it suddenly failed .. Ping the following command and find that all Ovear domain names point to the IP Address [65.49.2.178. The first reaction of Ovear is that

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

Pre-Erection Preparation:To set up a DNS server, you must install a software program that provides a DNS service, the BIND software, that can be installed using the following command:Yum install-y bind-chroot Bind-utis 1. Modify the master

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

Some users who use the win8.1 system, when browsing the site, found that the site can not move, as if hijacked. So what exactly is the situation? The original DNS in mischief, so now go to see how to set up DNS, so that the site is lifted hostage Oh!

Talking about carrier website hijacking, I believe most readers are also suffering from it, today it's home collation, Win7, WIN8, Win8.1 system under How to modify the system's DNS server, and for their own network to choose the best DNS, easy to

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: