Domain names of various levels should consist of the English alphabet (a – z and A – Z, case-insensitive), numerals (0 – 9), dash, and Chinese characters. Connect levels of domain names with the English period (called the “solid dot”). In the case of domain names of Chinese characters, connect with the Chinese period (。).
Read MoreHere comes the interesting bit. Under .CN and .中国, China’s ccTLD (in English and Chinese respectively), there are now officially established second level domains (2LDs) available to registrants. 2LDs under .CN and .中国 come in two broad categories: “Category 2LDs”, and “Geographic 2LDs”.