What is Domain Propagation

What is Domain Propagation

Domain propagation is the process of updating the Domain Name System (DNS) servers around the world with the new information for a domain name after a change has been made. This process can take up to 72 hours to complete, although it usually takes much less time.

When a domain name is first registered or its DNS information is changed, the new information is sent to the root servers, which then send the information to the top-level domain (TLD) servers. The TLD servers then send the information to the authoritative DNS servers, which are the servers that actually host the domain’s DNS records. This process can take anywhere from a few minutes to a few hours, depending on various factors.

Once the authoritative DNS servers have been updated, the new information is sent to the caching DNS servers, which are the servers that most internet users’ devices use to look up domain name information. These servers keep a cached copy of the DNS records for a certain amount of time (TTL) before checking for new information. The caching DNS servers update their information at different times, depending on their TTL, which can cause some users to see the new information while others are still seeing the old information.

During this process, it is normal for some users to be able to access the new website or email while others cannot. This is because different ISPs (Internet Service Providers) propagate the changes at different times.

To check whether the domain propagation is complete, you can use the command “nslookup” in the command prompt of your computer or you can check the status of the website on a website like “www.whatsmydns.net”

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