Presumably, if you've already got a script that's provisioning reverse results, you could amend it to add name constraints. No idea if this is possible with current DynDNS software, though.
--Richard On Tue, Apr 27, 2010 at 9:10 PM, Jason 'XenoPhage' Frisvold <xenoph...@godshell.com> wrote: > On Apr 27, 2010, at 9:00 PM, David Conrad wrote: >> Hmm. A macro expansion for a /48 would mean >> 1,208,925,819,614,629,174,706,176 leaves. An interesting stress test for >> name servers... :-). > > Um.. sure. :) Your computer can't handle that? > > How about a programmatic expansion? Only create the necessary record when > asked for it. > >> Slightly more seriously, there have been discussions in the past about doing >> dynamic synthesis of v6 reverses, but that gets icky (particularly if you >> invoke the dreaded "DNSSEC" curse) and I don't know any production server >> that actually does this now. Dynamic DNS is probably the least offensive >> solution if you really want reverses for your v6 nodes. > > DNSSEC does seem to throw the proverbial wrench in the works.. At least, > from what I understand.. I'm still not sold on DNSSEC and that, partly, has > to do with a lack of knowledge.. > > If you allow a client to set their own reverse, don't you run into issues > where the client can spoof their identity? ie, set their reverse to > whitehouse.gov or bankofamerica.com ? Or is it possible to configure DDNS in > such a way as to only allow subdomain names where the domain is tacked on > automagically? > >> Regards, >> -drc > > --------------------------- > Jason 'XenoPhage' Frisvold > xenoph...@godshell.com > --------------------------- > "Any sufficiently advanced magic is indistinguishable from technology." > - Niven's Inverse of Clarke's Third Law > > > > >