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Here's a tester for the new punycode phishing attack: https://www.xn--80ak6aa92e.com/
If your browser takes you to an SSL-secured site that it shows you as https://www.apple.com/
then your browser has problems.
More info: http://thehackernews.com/2017/04/unicode-Punycode-phishing-attack.html
Article has instructions on fixing in Firefox. I tested in Chrome Canary (Chrome v 60) and it's fixed there too.
Cool! my browser kept it as Punycode, I might be ok
