DNSSEC Checker

Check DNSSEC-related DNS records with DNS-over-HTTPS, review DS and DNSKEY answers, and generate a troubleshooting report.

This tool uses DNS-over-HTTPS from the browser. If a resolver blocks browser requests, paste the records into the report box and ask ITT for help interpreting them.
Results will appear here.

Free Online DNSSEC Checker

Check DNSSEC-related DNS records with DNS-over-HTTPS, review DS and DNSKEY answers, and generate a troubleshooting report. This security utility runs in your browser and avoids asking for sensitive credentials or passwords.

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