Here https://learn.microsoft.com/en-us/azure/app-service/environment/create-ilb-ase#post-ilb-ase-creation-validation it says you need to manage your own DNS for your ILB ASE v2 domain. Does it mean I can just use 'DNS Zone' from Azure, for example, or some third-part DNS provider? Is this correct?
Actually, Bryan Trach-MSFT you're wrong.
I set up ILB ASE yesterday with Web Application Firewall (application gateway) and used multi-host routing with it. And now my multiple apps are externally accessible. And this way my infrastructure becomes PCI compliant (not just because of that but that's one of the factors).
And as I found out, "manage your own DNS" just means you need to use any external DNS provider (Azure DNS for example) for your apps within ILB ASE.