[dns-operations] [Ext] EDNS Client Subnet (ECS) in queries sent to Google Public DNS

[Paul Hoffman]

On Jan 17, 2020, at 10:10 AM, Alexander Dupuy via dns-operations <dns-operations at dns-oarc.net> wrote:
> 
> 
> From: Alexander Dupuy <alexdupuy at google.com>
> Subject: EDNS Client Subnet (ECS) in queries sent to Google Public DNS
> Date: January 17, 2020 at 10:10:19 AM PST
> To: <dns-operations at lists.dns-oarc.net>
> 
> 
> If any reader of this list is sending DNS requests with the EDNS Client Subnet (ECS) option to 8.8.8.8, please read this post on our announcement list that discusses changes Google is planning in how we handle requests with ECS. It is also relevant for developers of software that sends ECS to recursive resolvers.
> 
> To be quite clear, these planned changes are only in our handling of requests sent with ECS, not in how Google Public DNS sends ECS to authoritative name servers.
> 
> For anyone interested in ECS, the Case Western / Akamai paper is well worth reading in full; in particular section 8 on ECS Pitfalls, some of which our planned changes hope to address and discourage in clients that send ECS to recursive resolvers.

The URL in the original message didn't work for me. One that does is:
   https://groups.google.com/forum/#!topic/public-dns-announce/h4XLjnWvAp8
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