根据工信部要求，us域名暂未被工信部收录，无法进行备案，目前工信部可接受备案的域名后缀有以下几种

英文域名：

.cn/.ren/.wang/.citic/.top/.sohu/.xin/.com/.net/.xyz/.vip/.work/.law/.beer/.club/.shop/.site/.ink/.info/.mobi/.red/.pro/.kim/.ltd/.group/.auto/.link/.biz/.fun/.online/.store/.tech/.art/.design/.wiki/.love/.center/.video/.social/.team/.show/.cool/.zone/.world/.today/.city/.chat/.company/.live/.fund/.gold/.plus/.guru/.run/.pub/.email/.life

中文域名：

.中国/.信息/.在线/.中文网/.我爱你/.网店/.集团/.公司/.网络/.广东/.佛山/