This first sample is easy to understand and interpret, but definitely should not be used in place of a true Domain Name Server (DNS). A few years ago, I had a customer that was using a public cloud, but it had been acquired by a very large company, which had a team dedicated to managing corporate DNS. The turnaround for a DNS record was often 4 days, while many of the applications they launched had a lifetime of only a few days before being replaced with a new node. The solution had some issues for resolution if node networking information changed for a period of time, but it was an effective short-term solution until the policies around DNS were relaxed for the customer.
In the following example, we'll use a single profile that ...
