Hyperlink i.e http://.com http://.com How many people will double check the url bar and notice the url is actually http://www.xn--m3haa.com/ http://www.xn--m3h

Hyperlink i.e http://.com http://.com How many people will double check the url bar and notice the url is actually http://www.xn--m3haa.com/ http://www.xn--m3haa.com/? Not all of them. :edit+seems like the three umbrella unicode symbols are not supported on hn, are they supported in e-mails?