4401. [misc] Change LICENSE to MPL 2.0.
update copyright notice / whitespace
do not overflow exit status. [RT #42643]
4152. [func] Implement DNS COOKIE option. This replaces the experimental SIT option of BIND 9.10. The following named.conf directives are avaliable: send-cookie, cookie-secret, cookie-algorithm and nocookie-udp-size. The following dig options are available: +[no]cookie[=value] and +[no]badcookie. [RT #39928]
3458. [bug] Return FORMERR when presented with a overly long domain named in a request. [RT #29682]