X-RT-Interface: Web Content-Transfer-Encoding: binary Content-Type: text/plain; charset="utf-8" X-Mailer: MIME-tools 5.508 (Entity 5.508) Date: Wed, 27 Sep 2017 18:18:38 +0000 MIME-Version: 1.0 From: vicky@isc.org Message-ID: Subject: NXDOMAIN aggressive cache cleaning To: bind9-public@isc.org Content-Disposition: inline X-RT-Original-Encoding: utf-8 Content-Length: 286 As discussed at all-hands, busy resolvers get a lot of NXDOMAINs which clog up the cache. We would like some sort of feature to more aggressively delete NXDOMAINs. We had wanted this for 9.12, so I am tagging it with 9.12, but I understand this is well into the stretch goal territory.