On Mon, Feb 13, 2017 at 8:03 AM, Tony Finch <d...@dotat.at> wrote:

> There are several ways to avoid this pitfall:
>
> Use TCP
>
> Look for an NSEC(3) record
>
> Query for the specific types you want to know about


The pitfall comes from unexamined muscle-memory assumptions when inspecting
a DNS response, so none of those methods avoid it. They're expecting people
to remember that longstanding behavior has changed without providing any
clue about it.
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