Re: [DNSOP] I-D Action: draft-ietf-dnsop-ns-revalidation-02.txt

[Hugo Salgado <[e-mail]>]

On 20:55 05/09, Shumon Huque wrote:
> > > I'm thinking of a (broken) nameserver that responds to NSs queries with
> > > NXDOMAIN (but does answer to other types)[1]. Is that a positive
> > > response, which should be cached with an authoritative data ranking?
> >
> 
> We cover this case in the 3rd paragraph of section 3 with the following:
> 
>       " ... that there are
>       number of nameservers in the field that (incorrectly) fail to
>       answer explicit queries for NS records, and thus the revalidation
>       logic may need to be applied lazily and opportunistically to deal
>       with them."
> 
> Applying the logic "opportunistically" means that the resolver falls back to
> using the delegation information in the referral from the parent. We should
> make that clearer in the draft.
> 

Thanks Shumon.
I've just read the new sentence in the third bullet of section 3,
in the new -03 draft version, and it works perfectly for me!

Thanks again for the clarification.

Hugo