DFixer

DFixer is a tool to aid DNS administrators in correcting their DNSSEC misconfigurations. It provides clear and actionable guidance for resolving DNSSEC configuration errors.

Your feedback is appreciated. Please contact us with your analyzed domain if you encounter any errors or believe the output is incorrect.

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This work has been published and presented at ACM Internet Measurement Conference 2025. Our full paper titled "Decoding DNSSEC Errors at Scale: An Automated DNSSEC Error Resolution Framework using Insights from DNSViz Logs" can be found here.