Is this a bad thing?

I guess you are behind a CGNAT that’s why you want to connect to your VPN using the protonvpn connection instead of your normal ISP?

Do you match the service with the characters personality?

May want to take a look at quad nine dns server.

I once had a defective ssd in my proxmox raid which pulled down the performance. Have you checked the individual ssd if their rw speed is up to spec?