Re: Repotting report

["Christopher Morrow" <morrowc.lists () gmail com>]

On Feb 6, 2008 12:11 AM, Mark Andrews <Mark_Andrews () isc org> wrote:
> > (from me)
> > How does a cache-resolver know that it's time to issue a query with edns0?
>
>         cache-resolver that support EDNS0 will make EDNS0 queries
>         by default.  They will fallback to plain DNS if the query
>         fails or they get a response that indicated the authoritative
>         server doesn't support EDNS.
>
>         BIND's been making EDNS0 queries for ~8 years now. If your
>         cache-resolver doesn't support EDNS it is long past time to
>         upgrade.

excellent, thanks! (as always). Any thoughts on the possible lack of
resilence from losing 9 server names/ips in the v4 to v6 move? (and I
realize that later most/all root boxes will have both addresses)