[dns-operations] using different DNS providers together

[Feng He]

于 2012-11-7 0:34, Mike Jones 写道:
>   If a resolver has a smaller cached NS set (for
> example only the 2 cloudflare ones) and all of those servers are down
> it might go back to the parent and find the other servers that are
> still up.

Will a resolver (i.e, a BIND Cache) do this stuff automatically? that 
sounds cool.

Thanks.