Incidentally, just an hour ago I was setting up a mail server on a Digital Ocean droplet, and had to manually copy and paste 20+ DNS entries because Digital Oce

Incidentally, just an hour ago I was setting up a mail server on a Digital Ocean droplet, and had to manually copy and paste 20+ DNS entries because Digital Ocean doesn't support zone file upload (only download). So, the zone file seems like a good enough solution if only everyone would use it.