Nimipalvelujärjestelmä
Nimipalvelujärjestelmä, often referred to as DNS (Domain Name System), is a hierarchical and decentralized naming system for computers, services, or any resource connected to the Internet or a private network. It translates human-readable domain names, such as example.com, into machine-readable IP addresses, like 192.0.2.1. This translation is crucial for navigating the internet, as computers communicate using numerical IP addresses, while humans find it easier to remember and use names.
The DNS system operates as a distributed database, meaning no single computer holds all the information. Instead,
The hierarchy of DNS is structured like an inverted tree. At the top are the root servers,