How do I add an A record to my app on App Platform?

DNS A records cannot be mapped to apps deployed on App Platform because we do not provide static IP addresses for them. However, you can still add a custom domain to your app using a few different methods.

Use Punycode to add a non-ASCII domain name with DigitalOcean
Our DNS recursive servers now require Authoritative Answer flags when resolving host names.
You can point multiple domains at a Droplet and serve multiple websites from it.