shenzhen dns

One, the role of domain from DNS serverAs we mentioned in our previous essay, there are generally three types of DNS servers, one is primary DNS server (primary DNS server), one is secondary DNS server (from DNS servers), and the

DNS Literacy Series 3: Smart DNS (BIND + VIEW) preface: Smart DNS is the function implementation of BIND + VIEW. In China, the first thing we put smart DNS into the market was even (how can we feel unmodest ). I think the introduction of the VIEW function in BIND9.X is not targeted at China, but this function can solve

Recently met a domestic Daniel, heard a call DNS tunnel technology, after a study, found very interesting, record. what is DNS tunnel. DNS tunnel is the DNS tunnel. From the name point of view is to use the DNS query process to establish tunnels, transfer data. Why use

Description We know that some network operators perform DNS operations for some purpose, so that the correct IP address cannot be obtained through the domain name through the normal internet access settings of the ISP. Common methods include:DNS hijackingAndDNS pollution. DNS hijacking and DNS pollution are very common in tianchao. Generally, after an error or no

Intelligent DNS is the function realization of bind+view. At home, the first smart DNS into the market is a I (how to give people not humble feeling it). I think bind9.x introduced view (view) function is not for China, but this function just can solve the interconnection between network operators in China, is the pie in the sky. This article unifies oneself these several years to erect maintains the intell

Http://yuelei.blog.51cto.com/202879/106921 Common DNS records (I)In the previous blog, we introduced the architecture of the DNS server, from which we learned that if we want to register a domain name, then, the domain name that we apply for must be delegated through the top-level domain name server or its subordinate Domain Name Server, and the resolution right must be delegated to our

What is DNS hijacking?DNS hijacking also known as domain name hijacking, refers to the use of certain means to obtain a domain name of the analytic control, modify the resolution of the domain name, resulting in access to the domain name from the original IP address to the modified designated IP, the result is a specific URL can not access or access to the false web site.

We know that some network operators perform DNS operations for some purpose, so that the correct IP address cannot be obtained through the domain name through the normal internet access settings of the ISP. Common means include DNS hijacking and DNS pollution. For details about the differences between DNS hijacking and

In the Web experience, we often encounter this situation, that is, when calling Baidu union, Google alliance, and domain name files outside the domain name where the current webpage is located, the request latency is very serious. Is there a way to solve the serious latency of such requests? What is DNS Prefetch DNS Maps domain names to IP addresses. When a website is accessed through a domain name,

Article Title: RHEL4-DNS Service (8) DNS Client configuration. 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. The previous articles introduced the configuration of DNS servers (for details, see :《

Introduction to DNS query process and DNS Process Reprinted please indicate the source: http://blog.csdn.net/luotuo44/article/details/45545059 DNS (domain name system) is a system that can convert domain names to IP addresses. This allows us to access a website simply by remembering the domain name rather than the IP address. When we enter a URL in the browse

There are many web pages that can be accessed by QQ. In this case, Ping www.baidu.com or ping www.baidu.com, which may cause DNS problems, you can open the webpage with another one. Below are a series of sorted DNS lists Let's give you two DNS services provided by open foreigners first. Google :: 8.8.8.8 8.8.4.4 Opendns :: 208.67.222.222 208.67.220.220 Below i

I. Overview: When listening to the course of yeslab QIN Ke's SecV3 SNF (ASA), the windows host will send a DNS request to the primary DNS and the standby DNS at the same time, so the building environment is ready for verification. Ii. Basic test ideas and conclusions: A. Basic Ideas: ① Configure primary DNS and backup

For domain name management, we must select a third-party DNS service provider when using domain name resolution During website construction, even free domain names are more stable than the original domain name platform. After all, most domain name registration platforms only provide domain name registration services. Stable resolution services are specialized by third-party businesses.If we are a Chinese website, general users will choose DNSPOD, CLOU

What is DNS hijacking and DNS pollution? Http://blogread.cn/it/article/7758?f=weeklyDescriptionWe know that some network operators for some purposes, some of the DNS operation, resulting in the use of the ISP's normal Internet settings cannot obtain the correct IP address through the domain name. Common means are:DNS hijacking and

Tags: secondary work controller text master-slave DNS use clear LIS OpenRNDC Related knowledge:1. What is RNDC:Remote Name Domain controllerRNDC communicates with the name server via a TCP connection and sends a digitally signed command. In the current version of RNDC and named, the only supported authentication algorithm is HMAC-MD5, which uses shared keys on both ends of the connection. It provides the TSIG type of authentication for the command req

Do not know if you have not used to set up DNS to maximize the speed of computer network optimization, set up DNS everyone is relatively unfamiliar, because generally also rarely mentioned, because the computer is generally the default is to automatically obtain DNS, do not need us to set up, but we should have heard that the computer can be on QQ but not open th

In the previous blog post we introduced several indispensable records in DNS servers, including a, NS, and SOA records. In this blog post we will continue to introduce several other common DNS records, I hope you can understand the DNS helpful.Four MX recordMX records are also known as Mail Exchanger Records, and MX records are used to indicate which server is

DNS domain Name service and build cache DNS server detailed (2)1.DNS Service Installation: BIND, full name is Berkeley Internet name Domain, this software is maintained by ISC/etc/named.conf: The main function is to define the working properties and areas of the bind process/etc/rndc.key: Full name Remote name Domain Controller, primary storage key file/etc/rndc.

We know that some network operators perform DNS operations for some purpose, so that the correct IP address cannot be obtained through the domain name through the normal internet access settings of the ISP. Common means include DNS hijacking and DNS pollution. What is DNS hijacking?