f the
        received message.

        If C{DNSServerFactory.verbose} is C{>0} all received messages will be
        logged in more or less detail depending on the value of C{verbose}.

        @param message: The DNS message that was received.
        @type message: L{dns.Message}

        @param proto: The DNS protocol instance which received the message
        @type proto: L{dns.DNSDatagramProtocol} or L{dns.DNSProtocol}

        @param address: 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}
        r