I have an impression that men of their 40s or above are less likely to use this form than the younger generation or women in the same age group. Perhaps -no as the question marker in casual speech was once a female trait. Yet, as part of a younger generation, I don't feel particularly these forms are feminine. They are just casual.I'm not so well-versed in Japanese, but the questions Cereth listed sound feminine to me. Perhaps I am wrong?
And what of this:
Nani shiten da?