---
title: "Free Email Header Analyzer: SPF, DKIM, DMARC Explained"
description: "A short walkthrough of the free WarmInboxes email header analyzer: paste a message's headers and read its SPF, DKIM and DMARC results and the route it took."
url: https://warminboxes.com/videos/header-analyzer
breadcrumb: "Home > Tool demos > Header Analyzer"
---
# Free Email Header Analyzer: SPF, DKIM, DMARC Explained

Tool demo · Header Analyzer

A short walkthrough of the free WarmInboxes email header analyzer: paste a message's headers and read its SPF, DKIM and DMARC results and the route it took.

## Header Analyzer

Paste raw headers: SPF, DKIM, DMARC, alignment and hops explained in plain English.

[Run the Header Analyzer →](https://warminboxes.com/header-analyzer) Free, no account.