Replying to Avatar Matt Corallo

I mean it could work over that too but then you have to handle truncation and tcp fallback and that’s annoying
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Kristaps K. 1y ago

UDP is kinda default for DNS mostly.

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Matt Corallo 1y ago

Default yes but servers MUST support both, for fallback :). When talking to an authoritative server, UDP is important, but when talking to a recursive resolver, who cares?