DNS/キャッシュサーバ/unbound/バージョンについて、ここに記述してください。

1.4.11 https://unbound.net/pipermail/unbound-users/2011-June/001917.html

1.4.10 https://unbound.net/pipermail/unbound-users/2011-May/001846.html

1.4.9 https://unbound.net/pipermail/unbound-users/2011-March/001729.html

https://unbound.net/pipermail/unbound-users/2011-February/001633.html

1.4.8 https://unbound.net/pipermail/unbound-users/2011-January/001609.html

Bug Fixes

o Fix so a changed NS RRset does not get moved name stuck on old
  server, for type NS the TTL is not increased.
o Fix prefetch so it does not get stuck on old server for moved names.
o Fix insecure CNAME sequence marked as secure, reported by Bert
  Hubert.
...