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DNS Record Checker

Analyze your domain's email authentication setup. Check SPF, DKIM, and DMARC records to protect against spoofing and phishing.

Email Authentication Explained

SPF

Sender Policy Framework specifies which mail servers can send email for your domain, preventing forged sender addresses.

DKIM

DomainKeys Identified Mail adds a digital signature to verify emails are authentic and haven't been altered in transit.

DMARC

Domain-based Message Authentication tells receivers how to handle failed SPF/DKIM checks and sends you reports.

DMARC Assistant