---
id: "subdomain-takeover"
kind: "glossary-term"
title: "子域名接管"
language: "zh-Hans"
category: "安全与滥用"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/ziyuming-jieguan/"
translations:
  en: "https://tldlog.com/glossary/subdomain-takeover/"
  es: "https://tldlog.com/es/glosario/toma-control-subdominio/"
  de: "https://tldlog.com/de/glossar/subdomain-takeover/"
  fr: "https://tldlog.com/fr/glossaire/prise-controle-sous-domaine/"
  it: "https://tldlog.com/it/glossario/subdomain-takeover/"
  pt-BR: "https://tldlog.com/pt/glossario/tomada-subdominio/"
  ru: "https://tldlog.com/ru/glossariy/zakhvat-poddomena/"
---

# 子域名接管

一种利用被遗忘的DNS记录的攻击。某个子域名仍指向所有者已停止使用的外部服务，例如云托管服务。攻击者认领该资源，进而控制该子域名显示的内容。这类遗留记录被称为悬空DNS（dangling DNS）。

## 相关术语

- [子域名](https://tldlog.com/zh/cihui/ziyuming/)
- [CNAME记录](https://tldlog.com/zh/cihui/cname-jilu/)
- [Sitting Ducks攻击](https://tldlog.com/zh/cihui/sitting-ducks-gongji/)
- [DNS劫持](https://tldlog.com/zh/cihui/dns-jiechi/)
- [过期域名接管](https://tldlog.com/zh/cihui/guoqi-yuming-jieguan/)