Go: http://www.ruanyifeng.com/blog/2016/06/dns.html Introduction to DNS PrinciplesNanyiDate: June 16, 2016DNS is one of the core Internet protocols. Whether it's surfing the web or programming, you need to know a little bit about it.This article describes in detail the principle of DNS and how to use the tool software to observe its operation. My goal is that after reading this article, you will be able to
Types of DNS serversWhen a website in the ISP successfully applied to the IP address, and then in the domestic domain name service providers (such as Ali million network) to apply for a domain name, and then the domain name and IP address bundled with the protocol is the so-called DNS protocol. In the million network where the application for the domain name payment, million network will provide 2 server He
Friendly tip: The experimental platform of VMware + Centos6.6 x86_64, the command involved only for the implementation of the work model, not as a production server configuration basis. Content Summary:Working model of 1.DNS2.DNS positive and negative analytic implementation3.DNS Master-Slave synchronizationI. DNS fine-grained knowledge points1.1) Dns:domain name
1. Start to install DNS> Settings> Control Panel> Add/delete Program -> Add/delete Windows Components-> "Network Services"-> select "Domain Name Service System (DNS) "-> follow the instructions to install the DNS. 2. Create the DNS resolution region. Start> program> Administrative Tools> select
Kubernetes Cluster Deployment DNS ServiceIn Kubernetes each service will be assigned a virtual IP, each service under normal circumstances will not change for a long time, this is relative to the pod of the indefinite IP, the use of the cluster app is relatively stable.But the service's information injected into the pod is currently using an environment variable, and relies heavily on pod (RC) and service creation order, which makes the cluster look l
I wrote a set of small scripts a year ago. Today I did not find any blog posts. Now I have posted them. The main background is as follows: DNS and HTTP hijacking need to be monitored, but many DNS servers refuse to respond to requests from non-local operators in the region, so we have to distribute the monitoring sites to different places. In fact, to do this, use nagios's distributed architecture.
I wrote
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 failure. This phenomenon has a high probability of occurrence, so this article will teach you some basic troubleshooting methods from scratch.
1. What is a
DNS is one of the core Internet protocols. Whether it's surfing the web or programming, you need to know a little bit about it.This article describes in detail The principle of DNS and how to use the tool software to observe its operation. My goal is that after reading this article, you will be able to fully understand DNS.First, What is DNS?The role of
BIND: no more. Since the invention of Paul Mockapetris in 1983, it has become the de facto standard of DNS in the Internet. ISC (Internet Software Consortium) is responsible for maintenance.
Nominum (www.nominum.com) company to complete, BIND 9. x is a free software, Solaris standard configuration, even in China Telecom, most of the use of bind8.x/9.x.
However, in October 21, 2002, The Denial-of-Service (DoS) attack against 13
DNS is the domain name resolution system. It can convert an IP address to a domain name or an IP address.1. Install DNSStart> set> Control Panel> Add/deleteProgram-> Add/delete Windows Components-> "Network Services"-> select "Domain Name Service System (DNS)"-> install the service as determined
2. Create a DNS positive phase resolution RegionStart> program> Ad
Provincial primary server secondary serverBeijing DNS 202.106.196.115 202.106.0.20Shanghai DNS 202.96.199.20.202.96.0.20.Tianjin DNS 202.99.96.68 10.10.64.68Guangdong DNS 202.96.128.68 202.96.128.110Henan DNS 202.102.227.68 202.102.245.12Guangxi
DNS recursive query and iterative query
Summary
There has always been confusion about the "recursion" and "iteration" approaches to DNS queries. Most people just tell you. "DNS clients request recursive queries to DNS servers," and "query requests between DNS servers are i
One of the most important components of any current TCP/IP network is the DNS server. A number of things a DNS server can accomplish, such as parsing an Internet URL into an IP address, resolving the host name on the local network, and providing the infrastructure on which the Windows Active Directory depends. Therefore, deploying a DNS server is not a very simpl
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 website access is also the most obvious effect. This is why foreign space is far less open than the domestic host's speed of access to the reason.We know that when a user visits a website, the domain DNS resoluti
Because the company has colleagues in charge of Dalian, Shenyang Two cities, often in both directions back and forth, to each city, they have to manually change the corresponding network configuration, and to live in the field is the hotel, the hotel is automatically access to the Internet IP, but also the network settings canceled, really troublesome! So I thought of writing a batch process! To solve this problem! The main command to use is netsh.-The first method is to set up the network confi
DNS Overview: DNS is the domain Name System, which is a distributed database, organized into a domain hierarchy of the structure of the computer and Network service naming system. Its role is: to transform the domain name into a network can identify the IP address, the results of the query to save, and told the client.
Second, DNS query process
1. Local resolut
This article describes how to use domain Name Services (DNS) in Windows XP by configuring the TCP/IP protocol.
DNS is an Internet service that converts a domain name to an IP address. On the Internet, when you use a domain name during network operations, the DNS service is responsible for converting the domain name to the corresponding IP address. For example, d
Reference URL: http://www.unixmen.com/dns-server-installation-step-by-step-using-centos-6-3/DNS (Domain name System) translates host names or URLs into IP addresses. For example, if "www.unixmen.com" is in the browser,DNS server translates the domain name into an IP address associated with it, and DNS servers is used t
DNS OverviewDNS (Domain Name System)Role: Manage the "Household Register" of hosts-Host Name: IP address, which is a distributed city Database SystemOrigin: the earliest host resolution relies on the hosts file and is maintained by the NIC (Network Information Center). Later, the number of hosts became very large and the network became increasingly complex, resulting in DNS servers.
Structure of the
What is DNS? What's the role of DNS? We hang on the Internet all day, the estimates for these problems are also somewhat vague, DNS is the domain Name system, the abbreviation, is a core service of the Internet, DNS, domain name resolution system, is not a simple service, and a wide range of global domain name resoluti
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