Email Security Tools
Free tools to create, validate, and monitor your email authentication records. No signup required.
DMARC Report Analyzer
Paste or upload a DMARC aggregate (RUA) report and see total volume, pass/fail rates, and which senders are failing. Runs in your browser.
Use ToolDMARC Record Generator
Create a valid DMARC record for your domain. Configure policy, reporting emails, and advanced options.
Use ToolSPF Record Generator
Build an SPF record to authorize your email senders. Includes common services and DNS lookup counter.
Use ToolDomain Checker
Check your domain's email authentication setup. See your SPF, DKIM, DMARC, and MTA-STS configuration.
Use ToolDMARC Record Lookup
Look up any domain's DMARC record and get every tag explained — policy, alignment, reporting, and coverage.
Use ToolDKIM Record Checker
Check a domain's DKIM record by selector. See the key type, size, and each tag, with quick-picks for common providers.
Use ToolMTA-STS & TLS-RPT Checker
Check a domain's MTA-STS policy record and TLS-RPT reporting — the pair that forces inbound mail over TLS.
Use ToolBIMI Record Checker
Look up a domain's BIMI record, preview the logo, and confirm the VMC and DMARC enforcement it requires.
Use ToolWhy proper email authentication matters
Without SPF, DKIM, and DMARC, anyone can send email pretending to be from your domain. Proper authentication protects your brand, improves deliverability, and gives you visibility into who's sending as your domain.
Phishing emails sent daily, many spoofing legitimate domains
Increase in email deliverability with proper authentication
Of cyber attacks start with a phishing email
Want ongoing monitoring?
These tools help you create records. DDMARC helps you monitor them continuously, showing you who's sending email as your domain and alerting you to issues.