Hi,

I'm running dnsdist with one PowerDNS Recursor as downstream. I tried to figure out how I can get the EDNS Client Subnet through.

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.

I stumpled upon a mail from Bert Hubert years ago mentioning www.geo.powerdns.com, but it seems not to work any more. In that thread was also mentioned edns-client-sub.net, which tells me that ECS is false. For my confusion, it also says ECS false when I use OpenDNS which supports EDNS Client Subnets afaik.

Did I miss something and getting EDNS Client Subnets through that setup will only work when #8401[1]/ #8402[2]

Best Regards
Bjoern


[1]https://github.com/PowerDNS/pdns/issues/8401
[2]https://github.com/PowerDNS/pdns/issues/8402
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