Usable on NixOS running as root.
Add imports = [ ./dns.nix ]; to /etc/nixos/configuration.nix
Start a shell with the needed dependencies using nix-shell. Run ./test.sh to pull down the domain list and iterate through the tests.
My tests were ran on an idle Raspberry Pi 3B with 1GB RAM on wired Ethernet.
DNSSEC: https://cyounkins.medium.com/costs-and-benefits-of-local-dnssec-validation-53c72ca9059b DNS-over-TLS: https://cyounkins.medium.com/performance-of-dns-over-tls-4f4b8f938bc