Types of DNS Servers | Servers involved in Domain Name System |How does DNS work?
When you enter the domain name into the web browser’s address bar. (What you’re doing here is submitting a DNS request.)
The hosts file is a plain text file that maps hostnames to IP addresses in an operating system, while the cache is temporary data stored by a hardware or software component.
The DNS resolver or recursive resolver acts as the primary intermediary between a computer and other DNS servers
The root nameserver or root DNS server is the bank of reference.
The TLD nameserver is responsible for storing and managing information about domain names that use a specific top-level domain.
The authoritative nameserver or authoritative DNS server is the final authority in the DNS resolution process.
DNS caching, storing IP addresses collected from authoritative nameservers, so that next time when you want to visit the same site, it will simply send back the IP address match obtained before