[dns-operations] finding the longest encloser

Lutz Donnerhacke lutz at iks-jena.de
Wed Feb 17 01:36:05 UTC 2010

* Mark Andrews wrote:
> Note res_findzonecut() has done this sort of thing for over a decade.
> Make a SOA query and look at the authority section to determine the
> zone cut if possible otherwise strip off a label and requery.

Nowadays query for DS records are the state of the art.

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