When website owners change content, update the design, move the project to another server, or even change the domain, it’s natural to expect that all users will see these updates immediately. However, the internet works differently. And the main reason for delays in the distribution of new data is the DNS caching mechanism. It determines when exactly the website updates become visible to the world and forms what is often called “DNS propagation.” To understand why this process cannot be accelerated instantly, you need to understand how DNS and DNS caching work.
