Examples of sites that get positive results would be: http://ready.chair6.net/?url=arin.net http://ready.chair6.net/?url=arin.net http://ready.chair6.net/?url=h

Examples of sites that get positive results would be: http://ready.chair6.net/?url=arin.net http://ready.chair6.net/?url=arin.net http://ready.chair6.net/?url=he.net http://ready.chair6.net/?url=he.net Examples of not-so-ready results: http://ready.chair6.net/?url=news.ycombinator.com http://ready.chair6.net/?url=news.ycombinator.com http://ready.chair6.net/?url=facebook.com http://ready.chair6.net/?url=facebook.com (Granted, some of these tests are not relevant - say, where all you want to do is provide AAAA records for your web site.)