On 07/22/2018 12:12 AM, Peter van Dijk wrote: >> Someone pointed out to me that since ZONEMD is meta-data we don't really >> expect it to be queried normally, and a TTL of 0 is a reasonable default. > I recall a story about some resolver (Google Public DNS perhaps?) applying > the lowest TTL per name, instead of per RRset. This, if true, would argue > against 0.
That seems to argue more against such a caching policy of the resolver. They would have problems e.g. with NSEC3PARAM already. --Vladimir _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop