Rubens, On Jul 6, 2016, at 2:20 PM, Rubens Kuhl <rube...@gmail.com> wrote: >> Not sure the RPZ hammer has been brought out in force yet. I've seen a few >> recommendations on various mailing lists, but no concerted effort. >> Unfortunately, there is no easy/scalable way to determine who a registrar >> for a given name is, > That is called RDAP,
I said "scalable". Given RDAP is based on TCP and there is this concept known as "registration data lookup rate limiting", I'm somewhat skeptical RDAP is the appropriate choice for (e.g.,) a "DNS Block List"-like solution that would (say) dump email that came from domains registered via operator-specified registrars. > but ICANN currently blocks gTLD registries from offering RDAP. Ignoring the above, and as I'm sure you're aware, the community has not determined the policies by which RDAP may be offered as an official registry service using production data, e.g., whether and how differentiated services will be permitted among other details. As such, it is more accurate to say that registries are not permitted to deploy new services because of contractual obligations the registries entered into that requires them to have new services evaluated to ensure those services don't impact DNS security, stability or competition, something the community required ICANN enforce as a result of the SiteFinder episode ages ago. Registries can, of course, request that evaluation and I'm told some have and are actually offering RDAP. But I would agree it is much easier to simply blame ICANN. Regards, -drc (speaking only for myself)
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