presumed phishing attack spoofing xfinity rewards

A strange page opened on my browser, which claimed it was a survey from Xfinity rewards.  Here is the url that appeared in my address bar:

[Edited: Phishing Link]

I don't recall hitting a link in an e-mail or a website that might have opened this page, but it looks very suspicious.  The domain name has a very suspicious registration, and is allegedly based in Iceland.

I kept a screenshot, but can't post it here.

I'd like to be sure Xfinity knows about it.