Dec 17, 2025 · (It's legal and in the “fine print.”) v2 fully supports benchmarking DoH (DNS over HTTPS) and DoT (DNS over TLS) resolvers. v2 can compare the performance of IPv4, IPv6, DoH & DoT …

Dec 3, 2025 · GRC's DNS Benchmark tests each nameserver to determine whether it blocks (filters) the return of these reserved private IP addresses — in both IPv4 and IPv6 formats.

Dec 3, 2025 · Version 1.1 of GRC's DNS Benchmark added the major new feature of rapidly scanning a global master list of nearly five thousand (4,854 at the time of this writing) known potential DNS …

Dec 3, 2025 · The Benchmark incorporates two built-in, replaceable lists which, with their default composition, work well to characterize the performance of popular DNS servers.

Dec 3, 2025 · A: All of the Benchmark's DNS performance benchmarking is performed over UDP protocol to remote port 53 (DNS). This includes the Benchmark's optional automatic or manual check …

In order to assemble a database of the world's most useful DNS resolvers, at the same time as the “top 50 fastest resolvers” are determined and built into a final list, by default the Benchmark also sends a …

GRC's Hyper-Accurate Mass Storage Benchmark for DOS. This is a Windows utility that will wipe, reformat and setup any USB thumb drive so that it will boot DOS and run the ReadSpeed benchmark.

DNS BenchmarkDNS Benchmark Version History A brief summary of the DNS Benchmark's evolution.

Dec 3, 2025 · The Benchmark contains a default built-in internal list (which is updated from time to time in new Benchmark versions, as needed, to keep the list current) of generally useful publicly available …

Nov 3, 2024 · With the conclusion of the work on GRC's mailing facility and SpinRite's documentation being finalized with the creation of the planned video walkthrough / demo... work on the next project …