Very funny, today I can figure out what is the difference between the secondary domain name and the third-level domain name.

xiaoxiao2021-03-06  79

Pick up, let yourself learn to learn.

What is the domain name Internet domain name is a server or a network system on the Internet network, in the world, no duplicate domain name. The domain name is based on several English letters and numbers, by "." To partially, such as IBM.com is a domain name.

Why is you registered with a domain name Internet domain name like a logo, which is one of your logo on the Internet. The domain name on the Internet is very limited because each domain name is only one. If your company's name is Intellectual Business Management Ltd., you want to register the company's domain name into ibm.com, and the international commercial machine company (IBM) does not have any priority compared to you, but this domain name has been grabbed by it. ! In the United States, even the small department stores and small gas stations on the streets are registered with their domain names in order to promote their own products and services online. As a mind, a far-signed businessman, the earlier, the more likely it is, the domain name you need. The relationship between the domain name and trademark is from a business point of view, and the domain name is "Enterprise Online Trademark". Enterprises attach great importance to their own trademarks, and as domain names of online trademarks, their importance and their value have also been known by companies around the world. Domain names and trademarks have uniqueness in their respective visities, and with the development of the Internet. From the perspective of enterprises, the domain name and trademark have a subtle connection. Therefore, the domain name has a certain common feature of the trademark. Many companies often want to use domain names with their own business trademarks when choosing domain names. However, domain names and trademarks have stronger uniqueness. From the domain name value point of view, the domain name is the most basic thing on the Internet. It is also a rare global resource. Whether it is ICP and e-commerce, or on the Internet, it is necessary to start from the domain name, a name is smooth and easy to promote promotion. The domain name is the first step in the success of Internet companies and websites. The domain name is also known as "real estate on the Internet", in 1999, the US national court stipulated that the domain name is property, and South Korea's industrial bank has launched a domain mortgage business, through domain mortgage, up to 10,000 won loans. The domain name registration is usually divided into domestic domain name registration and international domain registration. At present, domestic domain name registration is managed by China Internet Information Center - CNNIC, and the specific registration work is performed by approved agents authorized by CNNIC certification. International domain name registration is now a non-profitable private institution consisting of multi-country private sector - International Domain Name Management Center Internet Corporation for Assigned Names and NumBers (ICANN), specific registration work is also certified by ICANN authorization Each agent is implemented. Domain name registrars, whether they are domestic or international domain registration unified management organizations, are based on the factors such as agents themselves, business strength, etc., to divide the agent level. Usually our clients are registered with a domain name, consider selecting a higher level of agents to register, which can overcome language barriers, reduce unnecessary intermediate links, make you shorten the application registration cycle, greatly reduce registration. The distinction between top, second, and three-level domains A complete domain is composed of two or more parts, and the other part is separated by the English, and the last "." The right side is called the top domain name. (TLD, also known as a primary domain), the last "." The left portion is called the secondary domain name (SLD), the left portion of the secondary domain name is called the three-level domain name, and the domain name control each level is controlled. The assignment of the next level domain name. The structure of the domain name is top-level domain name: a domain name consists of more than two words, the rightmost is the top domain name.

At present, the top-level domain names appeared in the world has code, .TU,. Mil, .cc, .To, .TV, and national code, the most common is .com, .NET, .org.com - - Suitable for commercial entities, it is the most popular top domain name, and anyone can register a .com domain name. .NET - - Originally used for network organizations such as ISP, today, anyone can register a .NET domain name. .Org - design is used for all types of organization, including non-profit groups, today, anyone can register a .org domain name. Country code: Dominant domain name (CCTLDS) such as CN (China), FR (France) and AU (Australia), through CCTLDS, can basically identify national or region of domain holders. Detailed country code can be found at www.icann.org. Secondary Domain Name: The part of the left is the so-called secondary domain name. In CCTV.com, CCTV is the secondary domain name under the top domain. CCTV.com can also have mail.cctv.com, here's Mail It can be described as "host" or "subdomain name". How to take your favorite domain name and some of the registration domain names should pay attention to a good domain name is the beginning of success. When you want to register a new domain name, please remember the following domain name naming principles: a) It is easy to remember this is the most important in principle. NetEase has now given up the domain name.com and Netease.com, which is changed to 163.com because the latter is better than the former. b) If you have a direct relationship with your business, although there are many domain names easy, if there is no relationship with your business activities, users can't connect your domain name with your business activities, which means You still have to spend money to promote your domain name. For example, I saw that DrugStore.com immediately known as an online pharmacy. C) The length of the length of short length shorter is not only easy, but the user spends less time to enter your domain name. For example, the largest traditional chain bookstore Barnes & Noble has opened a online bookstore. The original domain name is barnesandnoble.com, and since the number of visits and sales have grown since it is changed to BN.com. D) Correct spelling English words or pinyin If you use English words or pinyin as a domain name, you must spell correct. E) Use your trademark or corporate name if you have registered a trademark, please use the trademark name as a domain name. If you face the local market, please use the company name as a domain; if you want to face the international market, please follow the principles 2 above. F) Register. The domain name under .com is the preferred top-level domain name to display the company's global concept. g) Do not invade the new global domain name policy registration of people in violation of the registered domain names of the trademark or celebrity, if your domain is violated, will not only lose the ownership of the registered domain name, but will be fined and Prosecute. What is domain name resolution people habits to memory domain names, but the machines are only recognized by the IP address between the machines, and the domain name and IP address correspond to the switching work, and the domain name resolution needs to be parsed by a dedicated domain name. To do it, the entire process is automatically carried out. What is the domain name pointing to the domain name to point to the domain name you register to the IP root directory or other domain name, that is, multiple domain names share an IP address or space. What is the DNS domain name server to translate the domain name into a computer-recognized IP address. For example, if someone wants to visit the online website (www.onlinenic.com), DNS translate the domain name into IP address 210.77.145.16.

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