Domain name. Edu belongs to the exclusive domain name of educational institutions, and only nationally recognized schools can apply for domain names. edu。 Although Edu stands for educational institutions, and the domain name suffixes of domestic universities are all second-level domain names. Edu.cn as a suffix. Why can't I apply for a top-level domain suffix? edu？ In fact, not only China, but also other countries. The domain name suffix of educational institutions in China is edu.au, and that of educational institutions in Australia is edu.au, but there is one exception, that is, the United States. Edu can only be an institution that the applicant must be located in the United States, or an institution licensed, chartered and recognized by the state or federal government agencies in the United States, and must also be an American adult higher education institution. You can use it. The suffix domain name is edu, which means that the websites of such schools can register xxx.edu.us the website domain name of their own schools, instead of the secondary domain name of XXX. edu.us.