---
id: "dkim"
kind: "glossary-term"
title: "DKIM"
language: "en"
category: "DNS and technical foundations"
updated: "2026-10-04T14:01:23Z"
canonical: "https://tldlog.com/glossary/dkim/"
translations:
  es: "https://tldlog.com/es/glosario/dkim/"
  de: "https://tldlog.com/de/glossar/dkim/"
  fr: "https://tldlog.com/fr/glossaire/dkim/"
  it: "https://tldlog.com/it/glossario/dkim/"
  pt-BR: "https://tldlog.com/pt/glossario/dkim/"
  ru: "https://tldlog.com/ru/glossariy/dkim/"
  zh-Hans: "https://tldlog.com/zh/cihui/dkim/"
---

# DKIM

DomainKeys Identified Mail

An email security method in which the sending system adds a digital signature to each message. The matching public key is published in a DNS record under the sender's domain, so receivers can check that the message really comes from that domain and was not altered.

## related terms

- [SPF](https://tldlog.com/glossary/spf/)
- [DMARC](https://tldlog.com/glossary/dmarc/)
- [TXT record](https://tldlog.com/glossary/txt-record/)
- [BIMI](https://tldlog.com/glossary/bimi/)
- [phishing](https://tldlog.com/glossary/phishing/)