We check this website, now nurse-senka.jp is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is nurse-senka Down Right Now? - NO! nurse-senka is up!
If you have problem with access to site nurse-senka, and domain nurse-senka.jp is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).