DNS is a global system for mapping human-readable domain names to numeric IP addresses. There are 4 types of DNS servers involved in the process and they work in harmony to complete the task: recursive name server, root name server, TLD name server and last but not leas...

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It can take from several hours to up to 1 day for DNS changes to populate all over the internet. This change is not only made to your domain's authoritative name servers but to millions of DNS servers all over the internet. ...