4401. [misc] Change LICENSE to MPL 2.0.
4199. [protocol] Add support for RKEY. [RT #40563]
Use mnemonics for RR class and type comparisons (#40297)
update copyright notice / whitespace
4049. [bug] CDS and CDNSKEY had the wrong attributes. [RT #38491]
update copyright notice
[master] CDS/CDNSKEY rrtypes 3884. [protocol] Add CDS and CDNSKEY record types. [RT #36333]