Virtual server service port confusion

There are 3 virtual servers configured with same IP address : 192.168.18.53 and different port numbers: 80, 443 and 8090. This IP is NATted for public access.

The virtual server with ports 443 and 8090 uses same pool which has 443 as listening port.

If the URL is example.com, it seems https://example.com & https://example.com:8090 are leading to virtual server with service port 443.

Checked ' show sys connections cs-server-addr 192.168.18.53' when I was accessing https://example.com:8090 and got below output:

94.206.xxx.59:56319 192.168.18.53:443 192.168.17.1:56319 192.168.17.38:443 tcp 20 (tmm: 0) none

Please help me out!!!