The "librarian" that finds the IP address for your domain.
Your computer checks if it already knows the IP address from a previous visit. domain name server
Domain nameservers (often provided by hosts like GoDaddy or Cloudflare) contain the or DNS records . These records associate your domain with: Web Servers: To load your website. Mail Servers: To deliver your emails. The "librarian" that finds the IP address for your domain
The final authority that holds the actual IP address for a specific domain (e.g., youtube.com ). Why Domain Nameservers Matter domain name server
The TLD server points to the authoritative name server , which stores the final IP address.
When you type a URL into your browser, a lightning-fast process takes place in the background: You type www.example.com .