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DNS Propagation: Understanding the Timeline

Last updated on Apr 08, 2024

DNS Propagation: Understanding the Timeline

DNS Propagation Explained

DNS propagation, the period for name server changes to take full effect, typically ranges from 24 to 48 hours. This time frame allows for the global update of cache records and root name servers with your site’s DNS information.

Factors Influencing DNS Propagation

  • Domain Registry: Changes to your domain’s nameservers are quickly relayed to the registry and then to the root zone, with update speeds varying by registry.

  • ISP Caching: Your ISP caches DNS records to speed up browsing, which can delay propagation. Some ISPs may not adhere to TTL settings, further extending the propagation time.

  • TTL Settings: Shorter TTL settings can speed up propagation but may increase server query load.

Understanding these factors can help manage expectations and planning around DNS updates.