Mombly.com

It all began with a post describing a little incident.
Unique visitors to post: 373

It probably wasn’t cheap to register some of the first domain names and these are some of the first .com domain names to be registered.
Interestingly, for those not in the list, Microsoft.Com wasn’t registered until 1991, Yahoo.Com was registered in 1995, and last but not least, Google.Com was registered on 15-sep-1997.
Source: http://www.iwhois.com/oldest/
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