Do DNS resolvers choke if a question contains RRs in the additional section? Are they supposed to?
And how about forwarders such as dnsmasq or systemd resolved? Would they forward these additional RRs upstream?
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Ah. I think this is the line you are looking for from dnsmasq. It seems to forward the original question, leaving the header untouched when it forwards the DNS packet. https://github.com/dnsmasq/dnsmasq/blob/ce5732e84fc46d7f99c152f736cfb4ef5ec98a01/src/forward.c#L1364 …
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