That's the most common approach globally. Like most countries, the Dutch Government use .gov.nl.
It exists, but the vast majority of government services dont use it (i.e. taxes are just done through belastingdienst.nl).
Ah. Just a blatant inaccuracy on wikipedia I take it. That does make a bit more sense.
It exists, but the vast majority of government services dont use it (i.e. taxes are just done through belastingdienst.nl).