On 07/08/2017 16:44, Ólafur Guðmundsson wrote:

> This was the original proposal, 
> the drawback is that resolvers to not cache the answer, and to make
> things worse they ask ALL NS addresses for listed domain 
> thus it acts as a DDoS against the domain in question.  

Indeed - I've since confirmed that BIND does this.

I think my point still stands that this behaviour should be documented
in the section that talks about a possible new RCODE and why that option
was rejected.

kind regards,

Ray

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