RACE encoding is a method for encoding foreign languages that use non-English characters (Chinese, Japanese, etc.) in ASCII characters for storage in domain name system servers. All names without non-English characters are unchanged. RACE codes are made up of digits, letters and dashes.
RACE encoding is part of the larger scheme of the Universal Character Set specifically the ISO/IEC 10646. The assignment of characters also coincides with Unicode.
Today, it is mostly abandoned in favor of punycode.
Nomenclature.
RACE is an acronym for its main purpose. 
References.
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