国际化的域名是用本国语表示的域名。其本国语域名的后缀是com,net,org. 支持哪种语言? 由于语言的适用性须依据Unicode,所以可以从此角度来回答这个问题。许多字符(尤其是拉丁字)被大量地使用于许多语言。最简单的回答是Unicode可含盖以下的任何语言文字:Latin, Greek, Cyrllic, Armenian, Hebrew, Arabic, Syriac, Thaana, Devanagari, Bengali, Gurmukhi, Oriya, Tamil, Telegu, Kannada, Malayalam, Sinhala, Thai, Lao, Tibetan, Myanmar, Geogian, Hangul, Ethiopic, Cherokee, Canadian-Aboriginal, Syllabics, Ogham, Runic, Khmer, Mongolian, Han(Japanese, Chinese, Korean ideographs), hiragana, katakana, Bopomofo and Yi.