Network - DNS Lookup (Request|query)

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A DNS lookup is a request to a DNS server in order to translate a hostname to an IP.

For example, the domain name www.example.com translates to the addresses 192.0.32.10 (IPv4) and 2620:0:2d0:200::10 (IPv6).

Every time you visit a website, your browser performs a DNS lookup to get the web page. Complex web pages that includes different resource (image, script,..) often require multiple DNS lookups before they start loading, so a computer may be performing hundreds of lookups a day.

What about the inverse ? Network - How to find the IP Name (Hostname) from the IP Address ?

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