Sunrise registration of IDNs (international characters) for existing .LU domain holders will continue until the end of March 2010. April 1st follows “first come, first served” rules. The allowed IDN characters will be those necessary for Luxemburgish, French or German. ä, ö, ü, à, â, æ, ç, è, é, ê, ë, î, ï, ô, ù, û, œ F [...]