[atlas] a link for comparing DNS resolvers

Dear Michael & Nicholas -

very interesting work and output, indeed!

I'd encourage you to also post this to DNS-OARC's 
<dns-operations at lists.dns-oarc.net> 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