Email Authentication Checker
Check your domain's SPF, DKIM, and DMARC records instantly. Get a score, detailed analysis, and actionable recommendations to improve your email deliverability.
Enter Your Domain
Type your domain address (e.g., example.com) and click Check
We Check Your Records
We analyze your SPF, DKIM, and DMARC records and look for issues
Get Recommendations
Get a score, detailed report, and recommendations to fix any issues
What Do We Check?
SPF
Sender Policy Framework
Defines which servers are authorized to send email on your behalf. Prevents spoofing.
DKIM
DomainKeys Identified Mail
Digital signature that verifies the email wasn't modified in transit. Increases trust.
DMARC
Domain-based Message Authentication
Defines what to do when an email fails authentication. The final layer of protection.