C Name Dns

The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall DNS several basic concepts domain name space: refers to the Internet all host's unique and the relatively friendly host name composition space, is the DSN naming system at one level logical tree structure. 　　Each machine can use its own domain namespace to create a private network that is not visible on the Internet. 　　DNS server: The computer on which the DNS service program runs, with a DNS database on the results of the DNS domain tree. DNS client: Also known as parsing ...

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall Everybody knows, a domain name is belong to others after the registration, other people want how to parse on how to resolve, we are unable to control, but some friends often ask me what is the domain name hijacking, what is the reverse analysis, This makes me feel that a lot of people still do not understand how domain name is resolved. Through this article, you can easily realize such as Baidu's Web site can visit your own site, of course, this is just a simulation, designed to let everyone understand how the domain name analysis is going on, we do not do bad ah, hehe. ...

This guide is for people who want to learn how to configure and maintain a http://www.aliyun.com/zixun/aggregation/33842.html ">dns server, for example, for a network or DNS zones (DNS domain) Domain Name Service, BIND9 is already included in the Ubuntu core library, and BIND9 does not need to enable additional libraries. Before we begin, you should be familiar with Rootsudo. ...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall 301 redirect is our common technical means when changing domain name or having multiple domain name and need to normalize the website. 　　The purpose is to prevent the loss of traffic, while telling the search engine which domain name is the main domain name and so as not to disperse the weight. 301 redirects have a lot of ways, such as Win independent server settings Iis,as ...

Domain name hijacking is the hijacking of the network to intercept the domain name resolution request, analysis of the requested domain name, the scope of the review to release the request, otherwise direct return of the false IP address or do not make the request to lose the response, the effect is on a specific Web site can not access or access is a fake URL. Domain name resolution (DNS) is the basic principle of the network address (domain name, in the form of a string, such as www.google.com) to the real computer can recognize the network address (IP address, such as 216.239.53.99 ...)

Since January 21, 2014 around 15 o'clock in the afternoon, a large number of Internet domain names around the world DNS resolution at the same time there are problems, some well-known sites and all non-existent domain names, are the wrong resolution to point to 65.49.2.178, such a result of a large number of Web sites can not be accessed. According to the statistics, the incident affected more than hundreds of thousands of websites. 　　caused huge economic losses, so far no organization has claimed responsibility for the incident! Microblogging summary @ Zhang Likun Weibo: Multiple recursive servers (1.2.4 ...)

The intermediary transaction SEO diagnose Taobao guest Cloud host technology Hall is well-known, in the domestic Internet will encounter a variety of different man-made network failures, so that we can not normally visit many websites. However, because many people are not familiar with the network, many times will not be able to distinguish between different network failures, resulting in clearly network failure, but that is a server failure, or obviously a server failure, but it is considered a network failure situation. 　　I think it is necessary to explain the characteristics of different network failures, and how to differentiate them and solve them. In the domestic Internet environment, we often encounter ...

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall domain name registers the knowledge so-called registers, the simple division, has two kinds of significance registers: 1. A registration of a domain name that has never been registered. In this case, the registrant of the domain name generally foresees the potential value of the domain name and registers the domain name before other people think of it. 　　This scope contains some of the names of well-known brands, well-known groups or individuals, intellectual property rights. 　　2. A registered domain name. A registered domain name, if not enough ...

Recently found that adobe.com, internet.com, nike.com, and so well-known sites have been attacked, but the attacker is not the technology used in the invasion of the WEB server used to change the home page idioms, attackers Is using a domain name hijacking attack? The attacker, by posing as the original domain name owner, modifies the network solution company's registered domain name record by E-mail, transfers the domain name to another group, adds the original domain name record by adding the domain name record to the DNS server designated by the modified registration information, domain name...

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall everybody good!" I am the CEO of "Search Treasure Automatic Music Box" website 　　Fee. I am very glad to meet you here, I very much hope and everyone Frank to make a friend, share our experience as webmaster. The stability of the site, and speed, is a search engine is one of the important standards of friendliness, but also the search engine ranking heavy ...