.HOTMAIL Top-Level Domain
HOTMAIL is not a recognized top-level domain (TLD). It is a brand name for a free email service, now part of Microsoft's Outlook.com.
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Fun Facts
Hotmail was one of the first webmail services, launched in 1996.It was acquired by Microsoft in 1997 for an estimated $400 million.In 2013, Hotmail was rebranded as Outlook.com, though many users still refer to it as Hotmail.