On Sun, Nov 24, 2019 at 11:50:00AM +0100, Bjoern Franke via Pdns-users wrote:
> E.g. if I use DoT with my mobile phone and come from 89.15.232.0/21 (o2
> Germany in Hamburg), usually the traffic to Akamai is routed to Akamai in
> Hamburg if I use o2's DNS, OpenDNS or 8.8.8.8. Using my dnsdist in
> Nuremberg, Akamai traffic is routed to Frankfurt.
>
> I enabled "useClientSubnet=true" for dnsdist and several EDNS Client options
> in PowerDNS Recursor (ecs-add-for, edns-subnet-whitelist,
> use-incoming-edns-subnet) but nothing changes.
This is because Akamai will ignore your EDNS Client Subnet information. It
will only honour ECS if you have an agreement with them, sadly.
Bert
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