Email Authentication Validator

Validate SPF, DKIM, and DMARC records for any domain

SPF, DKIM, and DMARC records help prevent email spoofing and phishing by validating that emails claiming to be from your domain are legitimate. Properly configured records improve email deliverability and protect your domain reputation.

Domain Information

Domain Name

DKIM Selector

Select Records to Validate

SPF Validates which mail servers are authorized to send email on behalf of your domain

DKIM Verifies email authentication using cryptographic signatures to prevent tampering

DMARC Specifies how receiving servers should handle emails that fail SPF or DKIM checks

Validation Results

Validating DNS records...

No validation performed yet

SPF Records

Lists authorized mail servers for your domain, preventing unauthorized servers from sending email as you.

DKIM Records

Uses digital signatures to verify email authenticity and ensure messages haven't been modified in transit.

DMARC Records

Defines policies for handling failed authentication checks and provides reporting for monitoring email abuse.