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DKIM Validator

Validate DKIM records for email authentication. Check public keys and key length.

DNSdkimvalidatoremailauthentication🔒 Browser-only

📋 How to use DKIM Validator

  1. 1Enter domain name
  2. 2Enter DKIM selector (default, k1, selector1, etc.)
  3. 3Validate and view public key

Try it now

Validate DKIM records for your domain. Enter the domain and DKIM selector to check if your DKIM public key is properly configured.

Common selectors: default, k1, selector1, mail

Examples

Check DKIM for Gmail

Input: "gmail.com, selector: default"
Output: "DKIM record found: RSA 2048-bit public key"

Frequently Asked Questions

What is a DKIM selector?▾

A label that identifies which DKIM key to use. Different mail providers use different selectors (default, k1, selector1, mail).

Why validate DKIM?▾

DKIM proves emails are actually from your domain, preventing spoofing and improving deliverability.

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