Knowledge of domain names and domain name selection skills

Domain names can be divided into different levels, including top-level domain names, http://www.aliyun.com/zixun/aggregation/21602.html "> two level domain names."

Top-level domain names are divided into two categories: first, the state's top domain name (national top-level domainnames, referred to as Ntlds), currently more than 200 countries in accordance with the ISO3166 country code assigned the top-level domain name, such as China is CN, the United States is us, JP, Japan, etc. Second, the International top-level domain name (analysys top-level domain names, referred to as ITDS), for example, business enterprises. Com, which represents the network provider's. NET, represents a non-profit organization. org etc.

At present, most domain name disputes occur in the top-level domain of COM, because most companies go online for profit. To strengthen domain name management, resolve the tension of domain name resources, Internet associations, Internet access agencies and the World Intellectual Property Organization (WEPO) and other international organizations after extensive consultation, In the original three international universal top-level domain name: (com.net.org) on the basis of the new addition of 7 international generic top-level domain name: Firm (corporate), store (sales Company or Enterprise), the Web (highlighting the WWW activity units), arts (highlighting the culture, entertainment units), Rec (the unit that highlights recreational activities), info (unit providing information Service), nom (individual), and select New registration institution to accept Domain name registration application worldwide.

Level two domain name refers to the domain name under the top-level domain name, in the international top-level domain name, it refers to the domain name registrant's online names, such as Ibm,yahoo,microsoft, etc. in the country's top-level domain name, it is the symbol of the registered enterprise category, such as Com,edu,gov,net.

China's international Internet Network Information Center (Inter NIC) officially registered and running the top-level domain name is cn, which is also our country's first class domain name. Under the top-level domain name, our country's level two domain name divides into the category domain name and the administrative area name two kinds. A total of 6 categories of domain names include AC for scientific research institutions, COM for commercial and financial enterprises, EDU for educational institutions, gov for government, net for Internet Information centres and operations centers, and org for nonprofit organizations. and the administrative area name has 34, corresponding to our country each province, the autonomous region and the municipality. The level three domain name uses the letter (A~z,a~z, the case and so on), the numeral (0~9) and the connection character (-) to compose, the level domain name is connected with the real point (.), the level three domain name cannot exceed 20 characters in length. If there is no special reason, the applicant's English name (or abbreviation) or Hanyu Pinyin name (or abbreviation) should be used as the three domain name to maintain the clarity and simplicity of the domain name.

If you make a Web page of your own, and it's pretty, do you choose to let more people see it and let more people know that you made it? Let more people envy you? I think you will. These are easy to do, so how can we do that?

Every computer that can surf the internet has only one address on the Internet, this address is called IP, and this address is always changing, if you make the Web page to your own computer built on the website, with the switch machine, IP also in constant change, so that others can not see. Only fixed the IP, let it become a fixed address, upload the Web page, so that people can see the Internet.

How do you get a fixed IP? This needs to be obtained by the provider providing the service. Providers of this service are often called ISPs. Because the IP is composed of a series of decimal numbers, not conducive to the memory of everyone, so the name of the domain names, through DNS, the domain name into IP address, enter the domain name can directly access the site.

The domain name is not sent in vain, not only need to apply and also have to spend money to get, of course, can also buy other people to apply for the domain name, but in that case, become high consumption, the price may be your own application of the domain name spent several times, more than 10 times times, dozens of times times, or even more, is the quality of the domain name