dress: The address from which the message was received. Only
            provided for messages received by datagram protocols. The origin of
            Messages received from stream protocols can be gleaned from the
            protocol C{transport} attribute.
        @type address: L{tuple} or L{None}

        @return: L{True} if the received message contained one or more queries,
            else L{False}.
        @rtype: L{bool}
        )