On Sat, Apr 11, 2020 at 09:22:42AM -0400, Shumon Huque <shu...@gmail.com> wrote a message of 138 lines which said:
> > The delegation (re)validation might be a reasonable place to > > implement something to detect this and adjust the choice of NS on > > the resolver's cache. > > I think most resolvers do a bit of this today already. If they detect a > broken delegation, they will mark that server as lame, and remove it from > the candidate nameservers for the zone (for a certain period of time), and > try another one. I don't think that you answer Brian's idea. The way I've read his idea, he suggested, when a resolver detects a lame server (or when all servers are lame?), to go back to the parent and to ask again the NS set, to see if there is a new and better list. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop