DKIM Checker
Verify that your DKIM (DomainKeys Identified Mail) keys are correctly published and valid.
How to Use
- Navigate to Tools → DKIM Checker
- Enter your domain name
- Enter the DKIM selector (e.g.,
google,selector1,s1) - Click Check
Results
SpoofWard checks and displays:
- Record found — Whether a DKIM key exists at the specified selector
- Key type — RSA key type and size (2048-bit recommended)
- Key validity — Whether the key is properly formatted
- Full record — The complete DKIM DNS record
Common DKIM Selectors by Provider
- Google Workspace —
google - Microsoft 365 —
selector1,selector2 - SendGrid —
s1,s2 - Mailchimp —
k1
Tip
If you're not sure which selector to use, check your email provider's documentation or inspect the DKIM-Signature header in a sent email.