From the linked article > This block was the result of a communication error between Zoom’s domain registrar, Markmonitor, and GoDaddy Registry, which resulted

From the linked article > This block was the result of a communication error between Zoom’s domain registrar, Markmonitor, and GoDaddy Registry, which resulted in GoDaddy Registry mistakenly shutting down zoom.us domain. Markmonitor is used by some fairly large corps and web properties. It’ll be interesting to find out exactly what this miscommunication was.