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

# MX记录

邮件交换记录

说明哪些邮件服务器接收某个域名电子邮件的DNS记录。如果没有可用的MX记录，发往该域名地址的邮件可能无法送达。每条MX记录都有一个优先级数字，用于确定服务器的顺序。

## 相关术语

- [DNS](https://tldlog.com/zh/cihui/dns/)
- [TXT记录](https://tldlog.com/zh/cihui/txt-jilu/)
- [区域文件](https://tldlog.com/zh/cihui/quyu-wenjian/)