Alternatives to DNSSEC Debugger
A Verisign Labs web tool for diagnosing problems with DNSSEC-signed domain names and zones. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
DNSSEC Debugger
A Verisign Labs web tool for diagnosing problems with DNSSEC-signed domain names and zones.
Replacements
Listings that take over the same core job as DNSSEC Debugger.
DNSViz
An open-source tool suite that visualizes DNS zones and the DNSSEC authentication chain.
DNSViz is open-source GPL-2.0 and graphs the DNSSEC chain of trust visually, with a command-line suite to test zones before deployment on Linux and macOS.
Zonemaster
An open-source DNS validation tool that checks a domain's delegation and zone for configuration errors.
Zonemaster is open source and checks the whole delegation path including DNSSEC, can be self-hosted, and covers general zone errors beyond DNSSEC.
Similar software
Related functionality, not a direct replacement.
DNSChecker
A web tool that checks DNS propagation by querying public resolvers in many countries.
intoDNS
A free web tool that checks a domain's DNS and mail server health and configuration.
Internet.nl
A web test that checks websites, mail domains and connections for modern Internet standards support.
DNSsy
A free website that tests a domain's DNS health and offers live DNS, reverse, WHOIS and ping lookups.
Google Admin Toolbox Dig
Google's free web-based DNS lookup tool that queries a domain's records and shows the results.