Does anyone use Mullvad DNS servers?
https://mullvad.net/en/help/dns-over-https-and-dns-over-tls#...
I found them more acceptable.
I've also started using/testing the DNS4EU servers: https://www.joindns4.eu/
Did you know Wikimedia also runs a public DNS service?
Maybe it is fast because it is not secured at all? :D
But the VPN itself is great!