On: Kevin Ham, the $300 million master of Web domains (2007)

Looks like Hallmark owns it now. He must have sold it to them for a tidy profit:

Whois Record

   Registrant: 
      Hallmark Licensing Inc.
      Hallmark Domain Administration
      2440 Pershing Rd. MD 339
      Kansas City, MO 64108

No, Ham grabbed "Greeting.com" not "Greetings.com".