C{answers} have their C{auth} flag set to L{True}.

        The response will have the same C{maxSize} as the request.

        Additionally, the response will have a C{timeReceived} attribute whose
        value is that of the original request and the

        @see: L{dns._responseFromMessage}

        @param message: The request message
        @type message: L{Message}

        @param rCode: The response code which will be assigned to the response.
        @type message: L{int}

        @param answers: An optional list of answer records which will be
            assigned to the response.
        @type answers: L{list} of L{dns.RRHeader}

        @param authority: An optional list of authority records which will be
            assigned to the response.
        @type authority: L{list} of L{dns.RRHeader}

        @param additional: An optional list of additional records which will be
            assigned to the response.
        @type additional: L{list} of L{dns.RRHeader}

        @return: A response L{Message} instance.
        @rtype: L{Message}
        NFT)