[dns-operations] Forcing BIND to randomly expire records from cache ahead of time

[Evan Hunt]

> Mark
> 
> Unbound has this feature, but its' a % of the TTL (oh they may of 
> changed this).
> 
> You may be also interested in this idea which was floated during IETF, 
> and not rejected, just a small sliver of useful customer base:
> 
> http://tools.ietf.org/id/draft-wkumari-dnsop-hammer-00.txt

This is implemented in BIND 9.10 as the "prefetch" option.

-- 
Evan Hunt -- each at isc.org
Internet Systems Consortium, Inc.