I found a test site for IDN spoof testing while googling for Geko security test. It seems to affect a lot of browsers like Mozilla FireFox.
Im using Mozilla Kmeleon and it passed.
http://secunia.com/multiple_browsers_idn_spoofing_test/
Im using Mozilla Kmeleon and it passed.
http://secunia.com/multiple_browsers_idn_spoofing_test/