DNS Security Analyzer - Check DNSSEC & DNS Configuration
Analyze your domain's DNS security posture. Check DNSSEC implementation, identify misconfigurations, and get recommendations for improved DNS security.
Understanding This Tool
What It Does
Analyze DNS security configuration including DNSSEC validation, SPF/DKIM/DMARC implementation, and other security measures. This comprehensive tool assesses how well a domain is protected against DNS-based attacks.
Understanding the Results
- DNSSEC Status: Whether DNSSEC is enabled and properly configured
- Email Authentication: SPF, DKIM, and DMARC configuration status
- Authentication Alignment: Whether authentication records properly align
- CAA Records: Certificate Authority Authorization preventing unauthorized SSL certificates
- DNS Amplification Risk: Whether the domain is vulnerable to DNS amplification attacks
- Security Grade: Overall security rating of DNS configuration
- Recommendations: Specific improvements to enhance security
Common Use Cases
- Security Hardening: Identify and fix DNS security gaps
- Compliance Audits: Verify DNS security meets organizational standards
- Email Protection: Ensure email authentication is properly configured
- SSL/TLS Protection: Implement CAA records to control certificate issuance
- DDoS Mitigation: Harden DNS against amplification attacks
Pro Tips & Best Practices
- DNSSEC: Provides cryptographic proof of DNS authenticity
- Email Standards: SPF/DKIM/DMARC are essential for modern email security
- Layered Security: Combine multiple DNS security measures for best protection
Last reviewed:
How this tool works: This tool runs in your browser and on our server in real time. Depending on the tool, results are computed directly from the input you provide or retrieved from live, authoritative data sources at the moment you run a lookup. We do not sell your data, and your lookups are kept private — any history shown here is stored only on your device.