On Sat, Apr 30, 2016 at 8:32 AM, Richard Clayton <rich...@highwayman.com> wrote:
> "some network services still do" is rather vague (and thus unnecessarily > encourages those of a conservative viewpoint to continue a practice that > I still think is beyond its sell-by date). > This document really doesn't seem to me to be encouraging this practice. If anything, what this document lacks is an indication that the only rational use of PTR records is for debugging and source-address-based rendezvous in the DNS (e.g., publishing a public key for a host on its IP address). But the purpose of this document isn't to do that--it's just to enumerate the set of choices available to ISPs. Bear in mind that dnsop is an operations working group, and our main remit is to give operational advice to operators of DNS servers. This document gives operational advice to operators of DNS servers. It is outside of our remit to give advice to providers of non-DNS services. Realistically, that is what you are proposing we do.
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