We run the Hybrid Configuration Wizard (HCW) on the Exchange Server, but an error shows…
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.
Table of contents
No DKIM record found for selector2
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.
DKIM selector2 record
The DKIM selector2 in DNS shows No DKIM Record found.
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:
- Go to the Microsoft 365 DKIM page
- Select the domain in the list
- Click on Rotate DKIM keys
- Verify that the status shows Rotating keys for this domain and signing DKIM signatures
In the next step, we will check that the DKIM selector2 record is found, 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.
Everything looks great!
You learned how to fix no DKIM record found for selector2. The solution is to rotate the DKIM keys for the domain in Microsoft 365 portal. Then, give it a few minutes and verify that the selector2 record is found and published.
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