From: Christopher Morrow (no email)
Date: Wed Feb 06 2008 - 00:31:46 EST
On Feb 6, 2008 12:11 AM, Mark Andrews <> 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)
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