also known as DNS propagation, is the process of updating Domain Name System (DNS) records across the internet. When you update your domain's DNS settings, such as changing DNS servers or adding new records, it takes time for all DNS servers around the world to automatically update. This process can take up to 48 hours, but typically takes around 2-4 hours. During this time, some users may experience delays or issues when accessing your website or domain. Once the propagation is complete, your changes will be globally updated and visible to the public.