> Which seems a bit far afield from reality to me. Yes, there are lots > of folks with IPv6 connectivity and v4-only recursive DNS servers. I > don't think ISPs will have problems setting aside a handful of IPv4 > addresses for authoritative DNS infrastructure to work around this > until v6 transport in recursive DNS servers is common enough.
Assuming your ISP is providing your DNS. What if I, as a new start-up in the IPv4-exhausted world, want to buy pure bit-pipes from my ISP, and be responsible for *everything* further up the stack? I don't believe this is entirely uncommon. Regards, Tim.