Validate SPF Records Accurately
Validate SPF record syntax, count DNS lookups, analyze authentication policies, and resolve include chains with detailed error detection.
Comprehensive SPF Validation
Validate SPF records with detailed syntax checking and lookup analysis
Record Validation
Verify SPF record syntax and ensure RFC 7208 compliance.
Lookup Counting
Count DNS lookups to ensure you stay under the critical 10 lookup limit.
Syntax Verification
Check for syntax errors, warnings, and formatting issues in SPF records.
Policy Analysis
Analyze fail, softfail, and neutral policies for security effectiveness.
Include Chain Resolution
Resolve and display the full include chain with DNS lookup details.
Error Detection
Identify common SPF configuration errors and receive fix recommendations.
How SPF Record Checker Works
Get started in three simple steps and validate your SPF configuration
Enter Domain
Input your domain name to retrieve and validate the SPF record
Lookup SPF
Our system queries DNS and analyzes the SPF record structure
Analyze Record
Get detailed analysis with errors, warnings, and optimization suggestions
Why SPF Validation Ensures Authentication Success
Invalid SPF records cause authentication failures and deliverability problems. Our checker validates syntax, DNS lookups, and configuration to ensure your SPF record works correctly.
Validate SPF record syntax, DNS lookup limits, and configuration to ensure proper email authentication for your domain.
Check SPF- Validate SPF syntax and detect configuration errors
- Check DNS lookup count to avoid the 10-lookup limit
- Identify unauthorized senders in your SPF record
- Get recommendations for SPF optimization
Perfect For Multiple Scenarios
SPF Record Checker helps organizations validate email authentication and prevent delivery failures
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Configuration Validation
Verify SPF records are properly configured before going live
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Delivery Troubleshooting
Diagnose email delivery issues caused by SPF failures
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Compliance Verification
Ensure SPF records meet industry compliance and security standards
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Migration Testing
Test SPF records after email server migrations or provider changes
Secure Higher Inbox Placement Rates
Implement NoBounz email validation service for guaranteed results. Clean email databases, reduce hard bounces, and achieve consistent deliverability with comprehensive email address verification.