Technical Definition
DNS propagation is the time for DNS changes to spread globally. Affects domain changes and migrations. Typically 24-48 hours, sometimes longer. During propagation, some users see old site, others see new. Plan for propagation time in migration schedules. Monitor with DNS checking tools.
Simple Explanation (ELI13)
DNS propagation is how long it takes for domain name changes to spread across the internet. When you change where your domain points, it can take 24-48 hours for everyone to see the new site. During migration, some people might see the old site while others see the new one.
Related Terms
Domain, Migration, DNS, Technical
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