I have a total of 5 domains in my droplet setup the same exact way, but only 3 of them is working correctly. I have been having a hard time getting 2 of my domains propagating to all servers.
So I'll use one of them a...
Finally figured out the problem..
Looks like I had DNSSEC enabled at the registrar and not configured at my server. Disabling DNSSEC was the trick, hope this helps others out there.