2. yes. Org (organization) domain name belongs to the international top-level domain name, which is generally used by non-profit organizations and is international.
3. yes. Cn (China) domain name belongs to the national top-level domain name, representing China, and is suitable for domestic institutions and enterprises.
Extended data:
Domain names are divided into international common top-level domain names and national top-level domain names.
1. international top-level domain name: an international top-level domain name is a domain name with the suffix "international top-level domain name", and different suffixes represent different meanings. Common "international top-level domain names" include: Websites of commercial organizations. Net for network service organizations. Org is a non-profit organization. Gov organized by the government Edu of an educational institution. With the development of network, there will be more and more international top-level domain names. ?
2. National top-level domain name:? National top-level domain names are usually domain names with "international common domain" and "national domain" or domain names directly suffixed with "national domain". According to ISO3 1660, "country domain" is a fixed country code that all countries have. For example, cn stands for China, jp stands for Japan, uk stands for Britain and so on. Our common CN top-level domain names are. cn，。 com.cn，。 net.cn，。 Org.cn and. gov.cn
References:
Domain Name-Baidu Encyclopedia