----- Original Message ----- > From: "John Levine" <jo...@iecc.com>
> >The latter would seem to be avoidable by making sure that *DNS resolution > >of bare TLDs always returns NXDOMAIN*. > > > >Is that a requirement for a TLD? > > No. In fact, a TLD lookup that returned NXDOMAIN would be utterly > broken since that would mean the TLD had no SOA, no NS, and no > subdomains. Perhaps you're confusing it with NOERROR. No, I was confusing you for someone who understood -- as everyone else here seems to have -- that I meant "querying for an A, AAAA, or MX record". > >If it isn't, does anyone know of any domains dumb enough to actual > >return something for a lookup on the bare TLD? > > Yes. If you'd read RFC 7085, you'd already know which ones do. > > There have been A and MX records at TLDs nearly as long as there have > been TLDs. And this is *why* I assumed you knew that, since the RFC is yours, and makes precisely that distinction. Cheers, -- jra -- Jay R. Ashworth Baylink j...@baylink.com Designer The Things I Think RFC 2100 Ashworth & Associates http://www.bcp38.info 2000 Land Rover DII St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274
