PolarDNS is a specialized authoritative DNS server suitable for penetration testing and vulnerability research.

🛠 Test DNS speed reply with overage, min, max statistics

🔮 Distroless Alpine Linux based dnsi docker image.

PowerShell module (cli) to test DNS records of any domain using ZoneMaster api.

Test the speed of DNS servers and generate a performance report with dnstester, a Python script that pings various DNS servers and saves the results as an HTML report in a table and chart format.

Foghorn is a modern, pluggable DNS proxy and validating caching resolve. It provides hardened DNSSEC validation along with an in‑memory caching layer. Foghorn is a caching forwarder to upstream resolvers rather than a fully standalone recursive server, making it well-suited as a secure validating front-end to upstream DNS providers.

Testlemon - AI powered, API test automation and web monitoring tool.