> On 8 Nov 2024, at 6:47 AM, John Kristoff <j...@dataplane.org> wrote: > > On Thu, 7 Nov 2024 17:42:04 +0000 > Petr Špaček <pspa...@isc.org> wrote: > >> This is a very high-level description of the problem space. Let's >> discuss! Preferably in person for initial high bandwidth discussion >> and then we can continue on the mailing list once the initial round >> of arguing is finished. > > A very long time ago I seem to recall Roy Arends describing a prototype > mechanism or extension to accomplish what you are looking for. I can't > remember any of the details so hopefully you will see this and chime in. > > I've had discussions about the desire for this sort of thing a couple > of times since with others, but nothing much more than "would be nice" > came out of those talks. > > I think part of the problem I always couldn't get around was how do > you get intermediate DNS nodes to cooperate and convey something > meaningful. Some might agree to support it, others might not, still > others might lie? >
Here's a relevant presentation from 2017 at RIPE 75 by Babak Farrokhi: https://ripe75.ripe.net/wp-content/uploads/presentations/20-A-curious-case-of-broken-DNS-responses-RIPE-75.pdf In it he describes a dnstraceroute tool Geoff
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