[dns-operations] Google DNS used as amplification - aren't they caching?

[Paul Wouters]

On Wed, 6 Aug 2014, Casey Deccio wrote:

>       Why does google dns seems so inefficient at caching?
> 
> Google's implementation seems to recursively query for and cache ANY based on the entire set of records for the same name,
> rather than on a per-record basis.  nohats.ca includes an NSEC3PARAM record with TTL 0.  This results in zero caching of ANY
> queries.

Oh, the irony :)

http://lists.opendnssec.org/pipermail/opendnssec-user/2012-September/002195.html

Paul