On Mon, Oct 4, 2021 at 10:44 PM Phillip Hallam-Baker <phill@xxxxxxxxxxxxxxx> wrote: > >... > > Consider the fact that the DNS root zone has a couple of thousand TLDs. Why do we have a hundred plus hosts providing real time query service for less than a MB of data that only changes a few times a year? Well, there is RFC 8606 on maintaining a local copy of root. Thanks, Donald =============================== Donald E. Eastlake 3rd +1-508-333-2270 (cell) 2386 Panoramic Circle, Apopka, FL 32703 USA d3e3e3@xxxxxxxxx