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0 × 01.1 Domain Name System) DNSDomain Name SystemDomain Name System Maps domain names and IP addresses in the form of a distributed database. The DNS protocol is the domain name resolution protocol. Simply put, DNS is used to resolve domain names. With DNS, we don't need to remember annoying IP addresses. We can access the server with a relatively memorable doma

In the process of accessing the Web site, we may often encounter the phenomenon of inaccessible web pages, when encountered this phenomenon, I believe most people will subconsciously think that the network dropped, or the target site of the server there is a problem, but after a careful investigation, the Web page can not open the phenomenon is not caused by these factors, So what is the reason for the Web page content can not open it. In fact, the most likely cause of the inability to open a W

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 we visit the www.jb51.net,www.kanshule.com these addresses are called domain names, and it is well known that any host in the network is the IP address to identif

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 function that the DNS protocol will perform.Today we will discuss DNS servers, especially Linux DNS servers, and how

Windows2000 as a brand new operating system, its biggest feature is the introduction of Active Directory, and the Active Directory is one of the biggest feature of the DNS and Active Directory tightly together. So how do they work together and what do they do? This often becomes a puzzle for beginners. In this paper, we will make a brief discussion on the relationship between the two, hoping to help you. A The difference between the two The combinatio

Outline: How to discover services in KubernetesHow to discover how pod-provided services use the Service Discovery service to use the Kube-dns discovery service Kube-dns principleCompose domain name format configuration Note: This share is based on the Kubernetes 1.2 version. Let's start with a simple example. 1. How to discover service in Kubernetes Discover pod-provided services First create a Nginx depl

Introduction:DNS (domain Name System, domainname), Internet as domain name and IP addressa distributed, mutually mappedDatabase, enabling users to access the Internet more easily, instead of remembering the number of IP strings that can be read directly by the machine. Through the hostname, the process of eventually getting the IP address for that hostname is called Domain name resolution (or hostname resolution). The DNS protocol runs on TCP and UDPp

When sending an email, Postfix uses the system's resolver (that is, the DNS client, which can query domain information from the DNS server) to obtain DNS information. When receiving a mail, the DNS of your domain must provide delivery information (MX or a record) for external queries so that other MTA can find your Pos

@echo off : Main Cls Echo. Echo. echo 1. Generate automatic configuration computer name, DNS, Gateway, IP script, IPX internal network number Echo. Echo 2, automatic network engraving server configuration Echo. Echo 3. Telecom netcom line switch generator Echo. Echo 4. Exit script Echo. echo Please enter 1,2,3 or 4, enter other characters, the consequences are at your own risk. : Restart1 set/p select= Please enter: set/a select=%select%-0 If%select%

The DNS Server is a Domain Name System or Domain Name Service, and RHEL 5 is a System with many applications. Therefore, it is very important for RHEL 5 to build a DSN server, the following is a detailed explanation of how RHEL 5 builds a DNS server.1. Set up DNS server domain name and domain name resolution in RHEL 5In order to differentiate each host in the net

parse, these can not be resolved on a server, it is too slow. DNS parsing uses a tree-structured parsing process.In front of the above parsing process in fact there is a step, the system before issuing a DNS resolution will first look at whether the local preservation of the relevant domain name resolution, if any, will save a lot of time. The file is saved in theC:\Windows\System32\drivers\etc\hosts, the

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); On the network to search for solutions If you have encountered a similar problem, please read it slowly. (1) Using Nslookup to determine whether a DNS resolu

People may have such a puzzle: computers on the network can only identify such as "123.123.123.123" such as digital address, so why when we open the browser, in the Address bar to enter the domain name dns.qy.com.cn, we can see the page we need? In fact, just an IP address and domain name each other "translation" process. The former has to establish a domain name Mapping record that points to the corresponding IP address; for the latter, this record has been established and is in effect. The cr

Objective:What is DNS polling?A domain name for multiple IP A records resolution, the DNS server will resolve the request in the order of a records, one by one assigned to a different IP, so that the simple load balancing the benefits of DNS polling: 0 Cost: Just binding a few a records on the DNS server, domain regist

Servers are not only the hub of enterprise network equipment, but also the main body of enterprise software and database applications. In practice, servers often encounter one or another failures, software or hardware. Many faults are irregular, and we can only solve them through experience. I am responsible for the maintenance of the company's servers. I encountered a strange DNS Network Fault in my actual work and the server could not log on to the

Article Title: explores the running status of the Linux System DNS server. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. In Linux, it also provides a popular BIND server, which is the most commonly used server software for building DNS servers. There are many articles