HTTPS DNS Proxy + Openvpn client (NordVPN)

I currently have HTTPS DNS proxy setup with DNS hijacking turned on. I always have had a nordvpn openvpn client setup in order to bypass geographical content blocks. I noticed recently that traffic forced through the NordVPN no longer is forced to use the NordVPN DNS servers which is causing problems for geo restricted content as my HTTPS DNS proxy dns providers are being used even on the VPN network. How can this be resolved?

I'd try to force the DNS for the traffic forced thru NordVPN, same way you're forcing traffic thru NordVPN (while potentially disabling the DNS hijacking in https-dns-proxy).

The most recent pbr builds in upstream support the "dns policies" to help with that.