[technovader]

There are use cases for low TTLs and use cases for high TTLs

The statement here is misguided.

Use whatever TTL serves your purpose.

DNS was designed to be distributed and scalable. And in my opinion it is THE MOST scalable protocol as it basically allowed the entire internet to work that way. Any user in the world can get any public DNS record for a site.

[remram]

Now if only they could have put the components in the right order...