Free Toolkit

DKIM Record GeneratorGenerate DKIM DNS TXT records for email signing.

DKIM Record Generator illustration
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DKIM Record Generator

Generate DKIM DNS TXT records for email signing.

How to Use
1

Details

Selector and domain.

2

Key

Paste public key.

3

Generate

Create DKIM record.

What Is DKIM Record Generator?

DKIM adds digital signatures to emails. DNS TXT record at selector._domainkey.domain contains public key for verification. Supports RSA and Ed25519.

Why Use Our DKIM Record Generator?

  • Correct formatting
  • RSA/Ed25519
  • Selector config
  • Instant copy

Common Use Cases

Email Auth

Set up DKIM.

Deliverability

Improve delivery.

Setup

Email services.

Migration

Update records.

Technical Guide

Format: selector._domainkey.domain IN TXT 'v=DKIM1; k=rsa; p=KEY'. Selector in DKIM-Signature header.

Tips & Best Practices

  • 1
    Key from provider
  • 2
    Selector from provider
  • 3
    Test with dig
  • 4
    Rotate with selectors

Related Tools

Frequently Asked Questions

QFree?
Yes.
QKey source?
Email provider.
QSelector?
Key identifier.
QMultiple?
Yes, different selectors.
QMobile?
Yes.

About DKIM Record Generator

DKIM Record Generator is a free online tool from FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration required. No ads. Just fast, reliable tools.