Privacy concerns with Quad9 hosted on autocratic countries

Quad9 DNS server hosted on EdgeUno (AS51095) in Turkey won’t resolve some domains.

I reported `www.expressvpn.com` not resolving.

Their response:
> Our Istanbul location with EdgeUno can route/ping the authoritative nameservers of the domain, but get DNS timeouts when sending recursive:
>
> ns-1198.awsdns-21.org.
> ns-373.awsdns-46.com.
> ns-1588.awsdns-06.co.uk.
> ns-910.awsdns-49.net.
>
> We've sent an email to the AWS NOC, and we'll let you know as soon as we have an update.

I responded:
> Sounds like a firewall tampering …

countries privacy quad9