4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice / whitespace
4077. [test] Add static-stub regression test for DS NXDOMAIN return making the static stub disappear. [RT #38564]
update copyright notice
2947. [func] Add new zone type "static-stub". It's like a stub zone, but the nameserver names and/or their IP addresses are statically configured. [RT #21474] (for 9.8.0)