Why Do You Need a Highly Available Forward Resolver? The domain name system (DNS) is the backbone of the internet. Acting like a directory, DNS is a critical service that translates human parsable domain names such as example.com into IP addresses 93.184.215.14.
At the heart of this system are 13 root servers which contain a list of all the domains in the internet 1.
The root servers themselves get these names from top-level domain, and authoritative nameservers.
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