Free Email Security Tools
Look up DNS records, validate configurations, and generate DMARC,
SPF, and DKIM records - all for free.
No account required. Use these tools any time.
DNS Lookup & Analysis
Most Popular
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DNS Record Lookup
Look up DMARC, SPf, DKIM, BIMI, and MX records for any domain. Results are explained in plain English - no technical knowledge required.
Coming soon
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DMARC Record Validator
Paste in your existing DMARC record and get an instant analysis. We'll flag misconfigurations and explain what each tag means in plain English.
Coming soon
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SPF Record Validator
Validate your SPF record and check for the common 10-DNS-lookup limit issue that causes silent email delivery failures.
Record Generators
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DMARC Record Generator
Build a valid DMARC record using a simple form - no techical knowledge needed. Choose your policy, set your reporting address, and copy the result directly into your DNS.
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SPF Record Generator
Select your email providers (Google Workspace, Microsoft 365, Mailchimp, SendGrid, etc.) and we'll generate the correct SPF record automatically.
Coming soon
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DKIM Key Pair Generator
Generate a DKIM public/private key pair for your domain. Includes step-by-step instructions for configuring keys in Google Workspace, Microsoft 365, and cPanel.