about the additional section

Doug Barton dougb at dougbarton.us
Fri Sep 2 04:49:02 UTC 2011


On 09/01/2011 21:23, 风河 wrote:
> i just want to make sure about it,

The rules for what is and is not included in the ADDITIONAL section are
not only not strict, they vary from server to server, and sometimes they
vary with different versions of the same server.

> and will the client resolver use the additional records directly?

Ok, now that is a question we can answer. :)  Short answer is yes. The
longer answer is that the real answer is "usually yes," but you really
don't need to worry about it. The resolver will do what it's going to
do, in the most efficient manner possible.


hope this helps,

Doug

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