---
id: "punycode"
kind: "glossary-term"
title: "Punycode"
language: "zh-Hans"
category: "DNS与技术基础"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/punycode/"
translations:
  en: "https://tldlog.com/glossary/punycode/"
  es: "https://tldlog.com/es/glosario/punycode/"
  de: "https://tldlog.com/de/glossar/punycode/"
  fr: "https://tldlog.com/fr/glossaire/punycode/"
  it: "https://tldlog.com/it/glossario/punycode/"
  pt-BR: "https://tldlog.com/pt/glossario/punycode/"
  ru: "https://tldlog.com/ru/glossariy/punycode/"
---

# Punycode

一种把非拉丁文字或带重音符号的域名转换为DNS可以处理的纯ASCII字母、数字和连字符的方法。转换结果以xn--开头。浏览器通常会把它转换回来，让用户看到原来的文字。

## 相关术语

- [IDN](https://tldlog.com/zh/cihui/idn/)
- [IDN TLD](https://tldlog.com/zh/cihui/idn-tld/)
- [同形字攻击](https://tldlog.com/zh/cihui/tongxingzi-gongji/)
- [ASCII](https://tldlog.com/zh/cihui/ascii/)