Every glyph has two lives: the character people see, and the punycode string the internet reads.
xn--domains explains punycode, IDNs, Unicode, native-script domains, emoji domains, Braille-code names, and why visible characters can carry hidden internet infrastructure.
Paste international text (寸.xyz, café.com, 地球.xyz) or a punycode string (xn--…). The engine converts it both ways, right here in your browser — RFC 3492 punycode, nothing sent anywhere.
xn-- mean?xn-- is the prefix the internet uses for a punycode label — the ASCII form of a domain written in a non-Latin script. Chinese, Arabic, Cyrillic, Devanagari, Hebrew, Greek, an emoji, a single glyph: the Domain Name System only speaks plain ASCII, so every internationalized name carries a public xn-- translation that lets the DNS route it anywhere on earth.
It is not a glitch and not a hack. It is the web's translation layer, running quietly underneath every multilingual domain since 2003.
The character is the face. The punycode is what gets stored, routed, and registered. Two forms, one asset — and most people only ever see one of them.
Most appraisal and aftermarket systems were built around ASCII names. When a native-script, emoji, Braille, or glyph asset arrives, those tools often can't read the script — so they misread it, flatten it into noise, or price it at zero. The asset isn't worthless; the reader is blind to it. Learning to read the rail is the whole advantage.
Braille is a tactile code system: a small grid of raised dots that stands in for letters, numbers, and whole words. It is a reminder that language doesn't only live as printed Latin letters — it can be visual, tactile, symbolic, and encoded. On the web, encoded characters get a second life through punycode: the same idea — one meaning, carried by a code the reader has to know how to read. Learn the code, and a whole layer of the internet becomes legible.
xn-- rail (or paste an xn-- string to decode it back).xn-- form, depending on script-mixing safety rules.xn-- form, not the glyph, to see ownership and where it points.The decoder teaches the rail. The market surface prices and presents it — transparent ranges, disclosed assumptions, Glyph Passports.
See the market surface →