Network Tools

DKIM Record Checker Guide

Learn when to use DKIM Record Checker, how to use it correctly, and how to avoid common mistakes.

What this guide covers

Use this DKIM Record Checker to look up a DKIM DNS record using a selector and domain. It is useful for email authentication setup, DNS validation, and troubleshooting outgoing mail signing.

This guide explains when to use DKIM Record Checker, how to get a cleaner result, and which mistakes to avoid before moving on to related tools or the main tool page.

Why use DKIM Record Checker

Quickly confirm whether a DKIM record exists.
Useful for mail authentication setup and troubleshooting.
Helps validate selector and domain combinations.
Good for DNS checks after email provider changes.
Simple way to inspect DKIM TXT values.

How to use DKIM Record Checker

Enter the selector on the first line.
Enter the domain on the second line.
Run the tool to query the DKIM DNS record.
Review the returned TXT value or no-record result.

Best use cases

Checking whether a DKIM selector is published.
Validating DNS after mail provider setup.
Troubleshooting email signing issues.
Reviewing DKIM before sending production mail.

Common mistakes

Only a domain is entered without a selector.

Fix: Enter selector on the first line and domain on the second line.

Users paste a full DKIM-Signature header.

Fix: Extract the selector and domain first, then run the DNS check.

The wrong selector is used.

Fix: Confirm the selector from your mail provider or DKIM-Signature header.

Use the tool

Ready to run DKIM Record Checker? Open the main tool page to enter your input, generate the result, and copy or download the output.

Open DKIM Record Checker