Patrick Mevzek@duponin @bortzmeyer But then how can you compare/validate your results (from need X to bytes ABCDE...)? With just the RFC? tough luck, there are 1) too many of them for DNS 2) contradictory between themselves or ambiguous at times and 3) just impossible to draw a concise exhaustive view of what is "the DNS". Hence my suggestions to use external existing libraries (at least Python and Go ones are very good DNS wise) to help building you own case. But YMMV.
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