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Articles
The tools on this site show you what is happening. These explain why it happens that way.
How DNS works: from the dot at the root to the whois record
β The hierarchy behind every domain name β the root zone, top-level domains, delegation and glue, who runs what, and how whois and RDAP find the right server to ask.
How the internet is built: autonomous systems, routes and addresses
β Why there is no centre, what an AS number is for, how a packet finds its way, where IP addresses come from and what they cost β and what it actually takes to become your own network.