103.86.96.100  # NordVPN
103.86.99.100  # NordVPN
104.223.91.194 # TorGuard
104.223.91.210 # TorGuard
35.170.152.112 # TorGuard
34.228.48.172  # TorGuard

https://mullvad.net/en/help/dns-over-https-and-dns-over-tls

54.225.156.17 ns1.airvpn.org
52.48.66.85   ns2.airvpn.org
dig ANY earth.all.vpn.airdns.org @dns1.airvpn.org +short