After you update your domain's name server settings, DNS (Domain Name System) propagation can sometimes take as long as 24 to 48 hours to fully complete. If your computer is using a DNS server that takes awhile to update, you have to wait longer to access your site.
However, some providers update their DNS servers more frequently, and typically faster than many ISPs (internet service providers). By using DNS servers from one of these faster providers for your computer, you can reduce the amount of time you must wait to access your site after making a DNS change.
There are numerous companies that provide DNS services, but the following three are very well-known, and they update their DNS servers frequently. Which one you use is a matter of personal preference:
As one of the largest internet companies, Google has an enormous networking infrastructure as its disposal. Google DNS servers provide fast, secure lookups. Additionally, the IP addresses of its DNS servers are easy to remember:
Cloudflare has the same advantages as Google—it has a very large networking infrastructure to provide fast, secure lookups. Their DNS server IP addresses are also easy to remember:
OpenDNS has been providing DNS services for more than 15 years. OpenDNS is focused on privacy and security, and is a good alternative to Google and Cloudflare (but the IP addresses are not as easy to remember as the other two):
After you have selected a provider to use, you are ready to change your computer's DNS settings. The procedure to do this varies; follow the appropriate steps below for your own operating system.
To change the DNS servers on Microsoft Windows 10, follow these steps:
To change the DNS servers on macOS, follow these steps:
On Linux, the procedure to change the DNS servers depends on the distribution you have installed. Consult your distribution's documentation for instructions about how to change the networking settings.
To change the DNS servers on Android devices, follow these steps:
To change the DNS servers on iOS devices, follow these steps:
For more information about DNS, please visit https://en.wikipedia.org/wiki/Domain_Name_System.
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