Fresh (non cached) dig

Chris Thompson cet1 at cam.ac.uk
Mon Jan 5 16:24:04 UTC 2009


On Jan 5 2009, John Wobus wrote:

>                                    [...] There is no nameserver operation
>that dig could do to tell a caching nameserver to act differently
>for one query.  You could clear the nameserver's cache, or even
>clear the one name you are interested in out of the cache.

You can use +norecurse and check whether the AA bit is set in the
reply. Even quite old versions of BIND will not set the AA bit in
the response if the answer is from the cache, in this case.

-- 
Chris Thompson
Email: cet1 at cam.ac.uk




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