Variable: spam-use-dig
spam-use-dig is a customizable variable defined in spam.el.gz.
Value
t
Documentation
Whether query-dig should be used instead of dns-query.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/spam.el.gz
(defcustom spam-use-dig t
"Whether `query-dig' should be used instead of `dns-query'."
:type 'boolean
:group 'spam)