Maximum DNS packet size?

Ronald F. Guilmette rfg at
Mon Sep 29 20:01:15 UTC 2014

My apologies if this question might also be considered a bit
off-topic for this list.

Is the maximum possible size of a DNS packet (just the payload part...
not including IP and UDP headers) 64k bytes?

I have some old code which assumes that, perhaps incorrectly.

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