buffer.put(encryptionKey);
        buffer.put(domainNameBytes);
        buffer.put((byte) 0x00); // Null terminator

        byte[] byteData = buffer.array();

        // Call the method
        int bytesRead = response.readBytesWireFormat(byteData, 0);

        // Assertions
        // readBytesWireFormat returns bytes processed up to null terminator