https://docs.microsoft.com/en-us/iis/get-started/getting-started-with-iis/create-a-web-site https://superuser.com/a/263893/237029 open firewall ports for spec site cause only port 80 default website is open std. https://manage.accuwebhosting.com/knowledgebase/2886/How-to-Configure-IIS-to-Access-Your-Website-using-an-IP-Address.html always start first with an easy landing page and add api or biz domain functions later on. step by step, eliminate possible error sources..