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We did add a domain to the Microsoft 365 tenant and enabled DKIM for that specific domain. While checking the DKIM records (selector1 and selector2), the result shows that no DKIM record found for the selector2 record. Why is the DKIM selector2 not working? In this article, you will learn how to fix no DKIM record found for selector2.

No DKIM record found for selector2

We did add a domain to the Microsoft 365 admin portal and configured DKIm for that domain.

Let’s check both the DKIM selector records with MxToolbox:

  • Selector1 record
  • Selector2 record

DKIM selector1 record

The DKIM selector1 in DNS shows that the record is published.

Check DKIM selector1

DKIM selector2 record

The DKIM selector2 in DNS shows No DKIM Record found.

No DKIM record found for selector2 check selector2

Solution to no DKIM record found for selector2

The solution for No DKIM record found for selector2 is to rotate the domain’s DKIM keys:

  1. Go to the Microsoft 365 DKIM page
  2. Select the domain in the list
  3. Click on Rotate DKIM keys
Rotate DKIM keys
  1. Verify that the status shows Rotating keys for this domain and signing DKIM signatures
No DKIM record found for selector2 rotate keys

In the next step, we will check that the DKIM selector2 record is valid and that the public key is present.

Verify DKIM selector2 record works

Go to MxToolbox and verify the DKIM selector2 record. The DKIM record is available and shown.

No DKIM record found for selector2 verify

Everything looks great!

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