Dear Michael & Nicholas -
very interesting work and output, indeed!
I'd encourage you to also post this to DNS-OARC's
<[email protected]> list.
Best,
-C.
On 23.03.2023 23:56, Michael Rabinovich wrote:
Folks,
FYI, Nick Kernan, my Masters student, has deployed a web portal that
facilitates the comparison between various DNS resolvers, including
ISP-provided and some influential publicly available resolvers (Google’s
public DNS, OpenDNS, Quad9, and Cloudflare). The comparison is based on
two factors: the latency of DNS resolutions and the latency of TCP
handshake with the CDN edge server selected through a given resolver.
The results are based on recurrent monthly measurements from RIPE
Atlas probes that have both IPv4 and v6 connectivity, have an
ISP-provided resolver available for comparison, and which meet certain
requirements regarding probe versions and reliability. You can specify
the desired month of measurement, a region of interest, and the CDNs to
analyze. You can access Nick’s portal through
https://dns-web-portal.netlify.app/ <https://dns-web-portal.netlify.app/>
The details of the methodology are in Nick’s thesis, which awaits some
copyright permissions before being made publicly available. In the
meantime, Nick (cc’ed) and I would be happy to answer any questions.
Regards,
—Misha Rabinovich
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