根據工信部要求，us域名暫未被工信部收錄，無法進行備案，目前工信部可接受備案的域名后綴有以下幾種
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：
.中國/.信息/.在線/.中文網/.我愛你/.網店/.集團/.公司/.網絡/.廣東/.佛山/
