Why do DNS and nameserver changes take so long?

So you’re wondering why you may have to wait up to 72 hours for your name server and DNS record changes to take effect…

The reason is that the nameserver changes that you make are propagated (propagate simply means update in domain name speak) to the DNS servers all over the world, the news of your name server change takes time to reach every global DNS server – hence the delay. (See DNS Propagation)

Not all domains propagate at the same rate, you will find…

  • .uk domains require up to 24 hours
  • .com, .org, .biz, .info require 24 to 72 hours
The DNS and nameserver propagation times are entirely external to all hosts, this is simply the nature of the internet. It takes time for servers and routers to register the new information. So please be patient!
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Why do DNS and nameserver changes take so long? written by UKC average rating 4.2/5 - 5 user ratings