DNSSEC Debugger

A Verisign Labs web tool for diagnosing problems with DNSSEC-signed domain names and zones.

FreeProprietaryWeb

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About DNSSEC Debugger

DNSSEC Debugger from Verisign Labs takes a domain name and walks through the DNSSEC chain of trust, showing where signing or key problems break validation. A detail setting controls how much of the result is shown.

Advanced options let you paste a DS or DNSKEY record to use as a trust anchor that is not yet published in DNS, and supply alternative authoritative name servers. This suits DNS operators who are signing a zone or tracking down a validation failure.

Strengths

  • Shows each step of the DNSSEC chain of trust
  • Custom trust anchors for testing unpublished keys
  • Can query alternative name servers

Limitations

  • Covers DNSSEC only
  • Output assumes some DNSSEC knowledge

Details

Pricing
FreeFree to use online.
License
Proprietary
Developer
VeriSign
Platforms
Web
How it runs
Web application
Works offline
No
Best suited for
DNS operators troubleshooting DNSSEC validation failures
Last verified
Added
Provenance
Selected from the TechWalrus Resource Hub (Website Checkers & Audit Tools); facts checked against the developer's own pages, 2 sources on file.

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