firecracker:53 { hosts { 172.16.0.1 br.firecracker 172.16.0.2 vm1.firecracker fallthrough } loadbalance } internal:53 { hosts { 172.16.0.1 br.internal 172.16.0.2 vm1.internal fallthrough } loadbalance } ts.net:53 { # Forward non-internal queries (e.g., to Google DNS) forward . 100.100.100.100 # Log and errors for debugging log errors health } .:53 { # Forward non-internal queries (e.g., to Google DNS) forward . 8.8.8.8 8.8.4.4 1.1.1.1 1.0.0.1 { max_fails 3 expire 10s health_check 5s policy round_robin except ts.net } # Log and errors for debugging log errors health }