I posted a message in a newsgroup (through google) and was surprised that all 7 links in that posting got crawled almost immediately by

Host: 66.123.187.70.ar.com IP: 66.123.187.70
Browser: Mozilla/4.5 RPT-HTTPClient/0.3-2

I visited http://www.ar.com/ and it goes to a Registry company called Alice Registry. Anybody knows what is going on?