DNS propagation
Why a DNS change is not instant, how to check it and what to do while you wait.
When you change nameservers or a DNS record, the change is not seen everywhere at once. Internet providers and devices keep old answers in cache until their TTL expires. This period is called propagation. How long it takes depends on your registrar, provider and earlier settings; usually from a few minutes to a few hours, and nameserver changes sometimes longer.
What you can do#
- Wait, and do not change settings several times in a row, as that prolongs the confusion.
- Clear your browser cache (Ctrl + F5) or try a private window.
- Try another network, e.g. mobile data instead of Wi-Fi.
- Flush your computer's DNS cache. On Windows, in the command prompt:
ipconfig /flushdns. - Check the records with a DNS lookup tool or the command
nslookup yourdomain.com.
bash
nslookup yourdomain.comIf the answer still shows the old IP address, the change has not yet reached your provider.
If more than 48 hours have passed and the domain still does not point to ScyHost, see Site not working after a DNS change or open a ticket.
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