[dns-operations] 0x20 fun and games

[Paul Vixie]

> I found the following rather nasty load balancer case:
> 
> {62.13.40.45,194.14.242.129,194.14.243.129} NS for qstream-down.qbrick.com:
> 
>  qstream-down.qbrick.com A -> OK
>  qstream-down.qbrick.coM A -> NXDOMAIN
> 
> I'm tempted to say everbody should turn on 0x20 so that we can get these
> problem cases discovered and fixed as soon as possible.

yes, that should be done.  whoever gets there first makes the rules.  let's
have it be 0x20.  even google's "l" server now does the right thing.

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