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DNS changes are not instant. When you update DNS, internet providers and devices may keep the old result temporarily. This is called DNS caching.

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Typical timing

  • Often: 1–6 hours
  • Sometimes: up to 24–48 hours

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Why different people see different results

Some visitors may see the new site while others still see the old site because their ISP or device has cached the old DNS.

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What you should do during propagation

  • Avoid making repeated DNS changes quickly
  • Keep records consistent (don’t switch IPs back and forth)
  • Test using multiple networks to see real progress

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Common mistakes during propagation

  • Assuming the change failed too early
  • Editing DNS at the wrong provider (your DNS may be hosted somewhere else)
  • Forgetting to update www while only updating @