On Tue, Mar 15, 2016 at 11:31:15AM -0400, John R Levine <jo...@taugh.com> wrote a message of 21 lines which said:
> it can at that time flush any entries with names under the it. I > suppose that means that we need a cache where you can look down the > tree as well as up. Which was exactly what was proposed in draft-vixie-dnsext-resimprove: "When an iterative caching DNS resolver stores an NXDOMAIN in its cache, all names and RRsets at or below that node should be deleted since they will have become unreachable." _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
