---
title: "Free DKIM Checker: Is Your Email Actually Signed? | WarmInboxes"
description: "A short walkthrough of the free Warm Inboxes DKIM checker: scan the common selectors for a domain and validate the signing key it publishes."
url: https://warminboxes.com/videos/dkim-checker
breadcrumb: "Home > Tool demos > DKIM Checker"
---
# Free DKIM Checker: Is Your Email Actually Signed?

Tool demo · DKIM Checker

A short walkthrough of the free Warm Inboxes DKIM checker: scan the common selectors for a domain and validate the signing key it publishes.

## DKIM Checker

Auto-scan 26 common selectors and validate your DKIM signing key strength.

[Run the DKIM Checker →](https://warminboxes.com/dkim-checker) Free, no account.