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What Is Propagation
Registration of a new domain name or changes to the DNS servers for an existing domain name requires an update to the information stored in name servers across the Internet. This update process is called propagation and occurs when domain name servers (DNS) on the Internet world-wide update their records (DNS tables) to reflect any updates to domain names and IP addresses. For more information on DNS, review the article, What Is A Domain Name Server (DNS) And How Does It Work. The propagation process must be completed for your domain name to be recognized throughout the Internet.
DNS propagation takes approximately 24 - 72 hours.