psn dns

A DNS server, or name server, is used to resolve an IP address to a hostname or vice versa.You can set up four different types of DNS servers: Amaster DNS Server for your domain (s), which stores authoritative records for your domain. Aslave DNS server, which relies on A master

Build a DNS server by yourself Preface: During normal internet access, domain names are all accessed. How can we convert domain names to IP addresses? What about accessing our server host? In this case, you need to use the DNS server. DNS is composed of a domain name parser and a Domain Name Server. A Domain Name Server is a server that stores the domain names an

I. What is DNS?DNS (domain Name System), the Internet as the domain name andIP Addressone of the mutual mappingsDistributed DatabaseTo make it easier for users to accessInternet, instead of remembering the number of IP strings that can be read directly by the machine. ThroughHostname, the process of eventually getting the IP address for that hostname is called Domain name resolution (or hostname resolution)

A server was added to a customer two days ago. Jointly undertake the operation of a forum. However. To achieve load balancing. It is indeed difficult. I have tried several methods before, I. DNS rotation .. Advantages: simple implementation. Disadvantage: the load of each server cannot be detected. It is difficult to control the visitor's access address (generally, DNS servers have caches, so. The effect i

one. DNS (Domain Name System, DNS), the Internet as the domain name and IP Address one of the mutual mappings Distributed Database To make it easier for users to access Internet , instead of remembering the number of IP strings that can be read directly by the machine. The process of obtaining the IP address of the host name through the hostname is called Domain name resolution (or hostname resolution). T

One: DNS introduction: DNS is the abbreviation for the computer domain Name System, domain name, or domain Name service, which consists of a parser and a domain name server. A domain name server is a server that holds the domain name and corresponding IP address of all the hosts in the network and has the ability to convert domain names to IP addresses. Domain name and IP address between the conversion work

DNS service to fill in the record,1) About: servername in the configuration/etc/resolv.conf of the secondary DNS server points to itself.SlavesVim/etc/named.rfc1912.zones"Add changes to"Zone "Hxl.com" in {Type slave;Masters {172.25.254.206;};File "Slaves/hxl.com.zone";allow-update {none;};};Vim/etc/named.rfc1912.zones on the primary DNS serverIn the zone "hxl.com

One of the most popular vulnerabilities recently discovered by the DNS protocol itself is a serious problem (cert vu #800113 ). Most of the domestic media reports are vague, so I want to talk about the vulnerability. First, we need to clarify the first question: how is DNS query performed? For most desktop systems, DNS queries are not completed by their own machi

A: What is DNS why there is DNSDomain Name Systems (English: Domain Name System, abbreviation: DNS) is a service of the Internet. The internet was born early because the number of access to the Internet is very small, there is no dedicated DNS server to the entire Internet domain name, at that time only in our host file records the host and IP corresponding relat

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 is because of DNS resolution failure caused. The probability of this phenomenon is relatively large, so this article will be from the beginning of zero to teach r

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

As shown in the following figure, this task consists of the high-availability server Load balancer component and cache DNS. High-availability server Load balancer component requirements: optimize some key links in the business system architecture, load balancing for TCP layer data traffic, and ensure high service availability. Technology Selection: HAProxy + Keepalived, which are common and mature combinations. In addition As shown in the following fi

DNS (DomainNameSystem) is a tcpupd-based service that listens to port 53 of TCP and UPD at the same time. At the beginning, when the network was just born, there were only a few computers connected to the network. With the development of personal PCs, the network grew explosively and it was hard to remember a simple IP address, all with the DNS service, it can Domain Name System It is a t-based Cp/Upd servi

DNS (domain Name System), which provides domain name resolution services, addresses difficult-to-remember IP address issues and maps corresponding IP addresses in a more human-readable and memorable way.The Cluster DNS extension is used to support discovery and invocation between services in a k8s clustered system.　　Component:? SKYDNS provides DNS resolution serv

DNS: People are accustomed to the memory domain name, but the machine between each other only IP address, domain name and IP address is one by one corresponding, the conversion between them is called Domain name resolution, domain name resolution needs to be dedicated to the domain name resolution server to complete, the whole process is automatic. When your website is finished and uploaded to your virtual host, you can enter the IP address directly i

Let's talk about csdn first. Www.csdn.net ↓ Primary Domain class Host Name type Name Type: the type of the domain name (COM, net, org, Edu, Gov, etc) Domain Name: Domain Name Host Name: name of a host in the domain Note: ① Indicates the WWW webpage server in the csdn.net domain ② It is case-sensitive and transparent, such as www. csdn. net. ③ The complete domain name actually has a "." at the end, that is, www.csdn.net., "." stands for the root DNS se

I often cannot open my webpage a few days ago, but QQ can be used. Based on experience, it is determined that it is a DNS problem. After searching on the Internet, many of my friends have similar problems. So the collection of the National Main City DNS-IP address, to facilitate your search. The information has been available for a long time. If you have any errors, please point them out as soon as possible

The entire Hteret family connected to hundreds of billions of server personal hosts, most of the sites, parts and other servers have used the domain name form of address, such as Www.google.com.mail 163.com. It is clear that this form of address is more intuitive and easier for users to remember than making the 01231317202103 7 a a month.DNS system in the networkThe role is to maintain a number of addresses are connected, which recorded a variety of host city name and address of the technical re

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