---
id: "nsec-nsec3"
kind: "glossary-term"
title: "NSEC和NSEC3"
language: "zh-Hans"
category: "DNS与技术基础"
updated: "2026-10-10T12:00:00Z"
canonical: "https://tldlog.com/zh/cihui/nsec-nsec3/"
translations:
  en: "https://tldlog.com/glossary/nsec-nsec3/"
  es: "https://tldlog.com/es/glosario/nsec-nsec3/"
  de: "https://tldlog.com/de/glossar/nsec-nsec3/"
  fr: "https://tldlog.com/fr/glossaire/nsec-nsec3/"
  it: "https://tldlog.com/it/glossario/nsec-nsec3/"
  pt-BR: "https://tldlog.com/pt/glossario/nsec-nsec3/"
  ru: "https://tldlog.com/ru/glossariy/nsec-nsec3/"
---

# NSEC和NSEC3

Next Secure and Next Secure version 3

用于证明某个名称或记录类型不存在的DNSSEC记录，使“该名称不存在”的应答无法被伪造。NSEC列出区域中下一个存在的名称，这使任何人都能列出全部名称。NSEC3使用经过打乱处理的名称，使这种做法更难实现。

## 相关术语

- [DNSSEC](https://tldlog.com/zh/cihui/dnssec/)
- [NXDOMAIN](https://tldlog.com/zh/cihui/nxdomain/)
- [RRSIG](https://tldlog.com/zh/cihui/rrsig/)
- [区域签名](https://tldlog.com/zh/cihui/quyu-qianming/)
- [区域文件](https://tldlog.com/zh/cihui/quyu-wenjian/)