They specialize in domains management for businesses who consider their domain to be _very_ important. Think Google, Amazon, Microsoft, Wikipedia... (all of those are listed as clients on the wiki page)

As in "pay a lot of money", and we'll dedicate someone to your domain who makes sure that "giving a domain to a stranger without any documents" will _never_ happen.

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walrus01 5 hours ago | parent [-]

a number of the largest companies that used to be 'clients' of markmonitor have now basically become their own domain registrars and have a direct relationship with ICANN. Amazon for instance. It's curious that google was one and has offloaded it to squarespace.

	▲	SahAssar an hour ago \| parent \| next [-]
		I'm pretty sure google never used them for their own domains, and the whole markmonitor/squarespace thing was their "google domains" product where they sold registrar services to others. Besides that they also are a registry for .app/.dev and others, but don't sell them via their own registrar anymore.
	▲	whh 4 hours ago \| parent \| prev [-]
		This is the best approach IMHO if you're a large, extremely valuable company registering a lot of domains.