Caching and upper case issue with BIND 9.9.7-P3

[/dev/rob0]

On Wed, Sep 23, 2015 at 08:18:45AM -0700, cypher Nix wrote:
> We eventually restarted BIND and the issue went away. After
> restarting BIND all responses served from cache are now lower
> case, as expected.

Restarting is a very painful way to fix cache issues.  Consider as 
better choices:
    rndc flush
    rndc flushtree example.com
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