On Tue, 2 May 2023, Frederico A C Neves wrote:

On Mon, May 01, 2023 at 04:43:11PM +0000, Wessels, Duane wrote:
My preferred definition is the one originally given by Paul Vixie, amended by 
myself, and further amended by Peter Thomassen:

A lame delegation is said to exist when one or more authoritative
servers designated by the delegating NS rrset or by the child's apex NS
rrset answers non-authoritatively for a zone.

To me this would not be lame if the NS RRsets are identical. You might
have still have a broken server, but if parent and child agrees, I
would not call it "lame".

Paul

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