In this release:

• kubernetes: Revert recent change to only create PTR records for endpoints with hostname defined.
• forward: added option to return SERVFAIL immediately if all upstreams are unhealthy.

Brought to You By

Adrian Moisey, Arthur Outhenin-Chalandre, Bartosz Borkowski, Ben Kochie, Chris O’Haver, Min Woo Kim, Puneet Loya, Rich, Viktor, momantech

Noteworthy Changes

• core: Increase CNAME lookup limit from 7 to 10 (https://github.com/coredns/coredns/pull/7153)
• plugin/kubernetes: Fix handling of pods having DeletionTimestamp set (https://github.com/coredns/coredns/pull/7119) (#7131)
• plugin/kubernetes: Revert “only create PTR records for endpoints with hostname defined (https://github.com/coredns/coredns/pull/6898)" (#7194)
• plugin/forward: added option failfast_all_unhealthy_upstreams to return servfail if all upstreams are down (https://github.com/coredns/coredns/pull/6999)