On Wed, Apr 10, 2019 at 12:37 PM Dave Crocker <[email protected]> wrote:
> For the software you know about, how are queries to the DNS performed, > to obtain the TXT records associated with DKIM and/or DMARC? > By default, libopendkim and libopendmarc use the standard C library functions (i.e., res_*()) to do these queries and await replies. The specific functions are res_query() and res_nquery() depending on which version of the library is available. I believe both can be configured to use libunbound instead (certainly libopendkim can). -MSK
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