open dns server test

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.

1. What is DNS? (Domain Name System) domain name system. In fact, the functions implemented by DNS are very simple and effective, so that users do not need to remember the IP addresses that frequently access the server, you can directly access the

"The main content of this blog post" Introduction to bind server (including Introduction to Client Tools Dig) Configuring forward parsing DNS servers Configure Reverse resolution DNS server Configuring a secondary DNS server and

Overview: What is DNS spoofing? DNS Spoofing is the art of changing the original IP address of DNS. For better understanding, let's look at an example. If you want to use a browser to search for some information on Google, you can enter the

What should I do if my website is hijacked? Whether the domain name is walled. How to detect DNS pollution. Website hijacking Detection Website opening speed detection. Checks whether a website is hacked, hacked, changed its title, or hacked.   I

What is DNS Domain Name System (DNS) is an English abbreviation of "Domain Name System". It is a computer and network service naming System organized into a Domain hierarchy. It is used for TCP/IP networks, it is mainly used to replace the boring

DNS is a very important basic service. Many applications are based on DNS services, such as the most commonly used HTTP browser. Many of my friends said they could not access the internet in the Forum. In fact, they could not resolve the FQDN name,

When we install a broadband network, the ISP (Internet Service Provider) usually provides several DNS server addresses and then sets them in the Internet TCP/IP protocol settings window. At present, I believe everyone has encountered network

Now the server running a lot of system services, although there is no problem in the middle, but still afraid, if there is a problem, is a few days of time no, tired of 4 of people things AH. So you have to backup everything. Ghost Backup is the

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.