On Fri, Jun 2, 2023 at 10:06 AM Dave Knight <[email protected]> wrote: > > > On Jun 2, 2023, at 12:33 PM, Manu Bretelle <[email protected]> wrote: > > > Thanks Robert, > > On Tue, May 30, 2023 at 9:35 AM Robert Story <[email protected]> wrote: > >> >> USC/ISI is renumbering both its IPv4 and IPv6 addresses for >> b.root-servers.net on 2023-11-27. Our new IPv4 address will be >> 170.247.170.2 and our new IPv6 address will be 2801:1b8:10::b. > > > It seems those are live and ready to use, but I did not see in the > announcement that people could start updating their root zone before > 2023-11-27 and be sure to receive the same service level than with the old > addresses. > > Could you clarify that those are indeed good to go and there is no need to > wait for the renumbering date to update root.hints? > Would it be worth clarifying this on the LACNIC announcement? > > > Aiui BIND9 uses the root.hints just once on receipt of the first query > when starting with an empty cache, whereupon it will use the hints to find > a root server to do a priming query, replacing the hints with the result of > that. Given the infrequency of root nameserver renumbering events and the > long period of dual operation they usually observe it's probably reasonable > to allow root hints to be updated in the natural cadence of package > updates. >
For BIND9 and Unbound, the binary already has the root hints baked in, so > maintaining hints in a static file which may not get updated with the > package may be doing slightly more harm than good. All that to say, > operators who are keeping their nameserver software up to date probably > don't need to rush to update root hints and may do better to remove the > static file entirely. > Totally agree with your here, but reality is that there is still a ton of use cases that software may be using a static file to get started with and the value to handle root.hints update properly is not worth the investment. Manu > > dave >
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