On 7 Jan 2015, at 16:38, Stéphane Sudre <[email protected]> wrote:

> Also if you were to perform a nslookup (from the Terminal) query during that 
> time with the same hosts' names, it would work fine.

I'm not sure what point you're tying to make with this test but I wanted to 
specifically call out that nslookup does not use the system DNS; it talks to a 
DNS server directly.  Thus, it's very common for nslookup to behave very 
differently than standard DNS clients.  A trivial example of this is:

$ nslookup fluffy.local.
Server:         192.168.1.254
Address:        192.168.1.254#53

** server can't find fluffy.local.: NXDOMAIN

$ ping fluffy.local.
PING fluffy.local (192.168.1.39): 56 data bytes
[...]

The system tries to ensure that nslookup uses a reasonable DNS server by 
default, but that's not always possible.

So, nslookup is a good way to test your DNS server, and your connectivity to 
that server, but it's not useful for testing the system DNS.

Share and Enjoy
--
Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware



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