refactor dns_xfrin to use dns_dispatch
the dns_xfrin module was still using the network manager directly to manage TCP connections and send and receive messages. this MR changes it to use the dispatch manager instead.
Closes #3886 (closed)
the dns_xfrin module was still using the network manager directly to manage TCP connections and send and receive messages. this MR changes it to use the dispatch manager instead.
Closes #3886 (closed)