how to check if dns is working properly

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

For details about dns settings in linux-Linux Enterprise Application-Linux server application, see the following. ① Introduction DNS is the Domain Name System, which can convert a Domain Name such as www.21php.com to an IP address such as 211.152.50.

Create a DNS server on Linux-Linux Enterprise Application-Linux server application information. For more information, see. I. Assumptions Many DNS articles start with the DNS principle. From the perspective of my use, I will provide some simple and

Set up DNS service on CentOS 7 Document Description: This document uses a case study to deploy DNS services on CentOS 7. This case is only a summary of my knowledge about how to deploy the DNS service. It is not a case in the production environment.

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

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

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)

1. Use nslookup to determine whether a DNS resolution fault is true: (This step is to confirm whether a DNS error is caused ), to fully determine whether a DNS resolution fault exists, you must use the NSLOOKUP provided by the system.1. Choose Start>

In actual application, DNS resolution errors may occur, that is, when we access a domain name, it cannot be resolved to an IP address, however, you can directly enter the website IP address for normal access, which is caused by a DNS resolution