Accessing Azure Virtual Machine IIS website publicly

Hi Team,

I have Created a IIS website in Azure VM. When i am trying to access it publicly getting below error.

This site can't be reached. 

Below is the ways i am trying to access publicly. 

1. http://<VM RDPserver Name>:<PortName>/WebsiteName

Please let me know what is the procedure to access a VM IIS website Publicly. 

Thanks in advance. 

regards,

Manoj