> My understanding of this issue is that it is only likely to be
> caused by an exploited domain, or running OpenBSD. Both should be a
> rare event (OpenBSD isn't really production-ready on this
> hardware). It's acceptable in the majority of cases to just let the
> domain be unused.
>
> It's a bug, it's irritating, it should be fixed, but it's not a huge problem.
No, it is not just irritating. It is a serious DOS, and a risk that one
does not expect in boxes that cost that much.
You have completely failed to understand.