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InfrastructureIntermediate

What is DNS Propagation?

The time it takes for DNS changes to spread across all servers on the internet.

Why It Matters

DNS propagation means domain changes are not instant, and users in different locations may see old settings temporarily.

Real-World Example

After changing your domain's DNS records, some users may still be directed to the old server for up to 48 hours.

“Understanding terms like DNS Propagation matters because it helps you have better conversations with developers and make smarter decisions about your software. You do not need to be technical. You just need to know enough to ask the right questions.”

Callum Holt, Founder, 13Labs

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Related Terms

Glossary

Domain

The human-readable web address people type to visit your website, like '13labs.com.au'

Glossary

DNS

The internet's phone book that translates domain names into the server addresses computers understand

Glossary

Domain Registrar

A company authorised to sell and manage domain names on your behalf.

Glossary

Server

A computer that runs continuously to handle requests, store data, and serve your application to users

Glossary

Serverless

A way to run code without managing your own servers, where the cloud provider handles everything

Glossary

Edge Functions

Code that runs on servers close to your users around the world, rather than in one central location