什么是域名,怎样申请域名（What is domain name and how to apply domain name）.docVIP

什么是域名,怎样申请域名（What is domain name and how to apply domain name） What is domain name and how to apply domain name? What is domain name and how to apply domain name? A unit, organization, or individual needs to register a domain name if it has a definite name or location on the internet. Domain name registration is carried out by authorized registries. International domain name application by InterNIC and the other by the Internet International Special Committee (IAHC) authorization mechanism; two national domain name registration by the China Internet Network Information Center (CNNIC) is responsible for. The domain name is divided into international domain name and under the national top-level domain name under the two domain name (domestic domain name). Under a certain domain name, you can have different hosts (servers), such as domain name servers, mail servers, WWW servers, etc. each server has a specific IP address. If DNS is , the e-mail server is . Among them, LG is a registered specific name, COM is to make people understand its nature (COM is a business organization or company), CN is the country name (China). According to the report of the Internet International Special Committee (IAHC), top class domains are defined as three categories: First, the countrys top domain name, each country is given a unique domain name, as follows: Country name or country name AA Antarctica At Austria Au Australia Be Belgium CA Canada Cn China Dk Denmark Fr France It Italy JP Japan NL Holland NZ New Zealand Uk UK Za South Africa Default America Two is the international top-level domain name, detailed below the table: Abbreviation for institution Arts art institutions Com business institutions Edu educational and research institutions Firm company Gov government agencies Info information service Net web services NOM individuals Org professional groups Rec entertainment agencies Store sales company Web institutions engaged in WWW activities W level domain name S level two domain