The Domain Name System continues to evolve alongside decentralized protocols, crypto naming systems, and localized registries. Yet the commercial designation drafted inside RFC 920 remains the most resilient piece of operational real estate on the web.
The engineers who planned ARPANET's address hierarchy aimed simply to organize a few dozen academic, government, and commercial network participants across split directories. Instead, they built the naming system of global commerce. Four decades later, those three letters retain an unbreakable hold over the public imagination, serving as digital real estate that brands still fight tooth and nail to own.
