www.iiswebsite.com is not a valid domain. It does not exist and Chrome does not know how to get to the domain.
Solution (2 options)
- Use a valid domain that points to the IP of the server where your site is hosted.
- Add a host entry for the domain
www.iiswebsite.comin your computer’s host file that points the the IP of the IIS server where your site is hosted
See this video that explains what DNS is: DNS Explained
For information on how to add a host entry see: How to modify your hosts file in Windows 10
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