If the resolver doesn't know, it asks a root server, which directs it to a Top-Level Domain (TLD) server (e.g., .com, .org).
The final authority that holds the actual IP address for a specific domain (e.g., youtube.com ). Why Domain Nameservers Matter domain name server
Without these servers, the internet as we know it would not function, as you would have to remember numerical IP addresses for every website. Managing Your Domain If the resolver doesn't know, it asks a