Today, I searched bitcointalk on Google and found bitcointalk.to (at the top of the result). This site is very very similar to bitcointalk.org, I could only find the different when I failed to login with my user/pass (I signed up with bitcointalk.org).
Does it appear like this?
[ad] bitcointalk.to
If so do not trust the link because it is an advertisement meaning that one can put any URL by paying advertisement fee so it is can be a phishing site. As already noted by iasenko above, it seems that bitcointalk.to exists since last year, you can check the related threads: