[dns-operations] Who Ignores TTLs ?

[Paul Vixie]

> From: Olaf Kolkman <olaf at NLnetLabs.nl>
> Date: Wed, 23 Feb 2011 11:59:24 +0100
> 
> Unbound also does prefetching. But only if a query comes in for an
> RRset that is about to expire, not for any RRset that happens to be in
> the cache and is about to expire. In other words prefetching only
> happens for RRsets that are in popular demand anyhow.

this seems like a good idea.  should we add it to resimprove?