Windows Server 2019 - (IIS) How to Host Multiple Sites Using Host Header Name on Single IP - 15

What about SNI? That is not needed?

Bhai phele chaek kar le tere se kud nahi ho raha

I have google domain and windows vps,
I created forward and reverse look zone in my windows server vps,
and added ptr record in reverse look zone,
but my domain says no reverse (PTR) detected?

how do we access the websites hosted on the local server, from outside the local network ? You have not mentioned that in the video. Also what if the server has a dynamic public IP address. How do we access the websites without the use of any ports