8 Dec
2015
8 Dec
'15
5:08 p.m.
On 8.12.15 16:56 , Philip Homburg wrote:
On 2015/12/08 16:45 , Daniel Karrenberg wrote:
Real resolvers - use caching, - retry queries, - can use all authoritative servers for a zone, - perform recursion, and (again) - use caching.
The typical TTL for caching in the root zone is 48 hours.
I wonder if in the case of local DNSSEC validating resolvers behind DNSSEC-unware resolvers in CPEs, this model is still valid.
At the risk of turning this into another DNS discussion list: Why are you wondering exactly? DNSSEC validating resolvers do cache, don't they? Daniel whose CPE runs unbound