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DNS infrastructure

DNS infrastructure is very simple - just a single authoritative DNS server without an recursor (since we only care only the zones on this net, without needing to access any other zones)

The DNS server used is Knot DNS running in Docker container with persistant volumes.

https://hub.docker.com/r/cznic/knot

Setup

  1. Import the config docker run -it --rm -v $(pwd)/config:/config -v $(pwd)/storage:/storage -v $(pwd)/rundir:/rundir cznic/knot knotc conf-import /config/knot.conf

  2. Run the server docker run -d --rm -p 53:53 -p 53:53/udp -v $(pwd)/config:/config -v $(pwd)/storage:/storage -v $(pwd)/rundir:/rundir cznic/knot knotd -v

  3. Set DHCP DNS server to 192.168.0.2

  4. To manage the server, run docker run -it --rm -v $(pwd)/config:/config -v $(pwd)/storage:/storage -v $(pwd)/rundir:/rundir cznic/knot knotc

Test by running dig @127.0.0.1 test.cb TXT. To run on local machine, you will probably have to switch the port (e.g. 5300), and then use dig @127.0.0.1 -p5300