Let's take a common example of a DNS setup. Your domain is `example.com`, and you have "`A`" records for `server1.example.com` and `server2.example.com`. Server1 is hosted in Vultr, but server2 is hosted on a local network, like inside your business or as a development machine in your home. Typically, these types of local environments have public IP addresses are dynamically assigned from your Internet Service Provider (ISP), and they may change unexpectedly. This would result in server2 suddenl......