Created
October 28, 2018 08:10
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An example configuration to random selection between Quad9, Cloudflare and Google DNS-over-TLS for knot-resolver (kresd)
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| require 'math' | |
| math.randomseed(os.time()) | |
| dns_providers = { | |
| { -- Quad9 | |
| {'9.9.9.9', hostname='dns.quad9.net', ca_file='/usr/local/etc/kresd/DigiCertECCSecureServerCA.pem'}, | |
| {'149.112.112.112', hostname='dns.quad9.net', ca_file='/usr/local/etc/kresd/DigiCertECCSecureServerCA.pem'} | |
| }, | |
| { -- Cloudflare | |
| {'1.1.1.1', hostname='cloudflare-dns.com', ca_file='/usr/local/etc/kresd/DigiCertECCSecureServerCA.pem'}, | |
| {'1.0.0.1', hostname='cloudflare-dns.com', ca_file='/usr/local/etc/kresd/DigiCertECCSecureServerCA.pem'} | |
| }, | |
| {'8.8.8.8', hostname='dns.google', ca_file='/usr/local/etc/kresd/GlobalSignR2CA.pem'}, | |
| {'8.8.4.4', hostname='dns.google', ca_file='/usr/local/etc/kresd/GlobalSignR2CA.pem'} | |
| } | |
| } | |
| policy.add(function (request, query) | |
| return policy.TLS_FORWARD(dns_providers[math.random(1, #dns_providers)]) | |
| end) |
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