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

# SERVFAIL

服务器故障

表示服务器未能完成查询的DNS答复。常见原因是域名服务器无响应，以及DNSSEC签名未通过验证。与NXDOMAIN不同，它并不表示该名称不存在，只表示无法获得可信的答复。

## 相关术语

- [NXDOMAIN](https://tldlog.com/zh/cihui/nxdomain/)
- [DNSSEC验证](https://tldlog.com/zh/cihui/dnssec-yanzheng/)
- [无效委派](https://tldlog.com/zh/cihui/wuxiao-weipai/)
- [解析器](https://tldlog.com/zh/cihui/jiexiqi/)
- [RRSIG](https://tldlog.com/zh/cihui/rrsig/)