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[atlas] a link for comparing DNS resolvers
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Michael Rabinovich
michael.rabinovich at case.edu
Thu Mar 23 23:56:06 CET 2023
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 -------------- next part -------------- An HTML attachment was scrubbed... URL: </ripe/mail/archives/ripe-atlas/attachments/20230323/d62727b0/attachment.html>
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