404. That’s an error.

The requested URL /add?feedurl=http%3A%2F%2Frubakov.net%2F%25d1%2580%25d0%25b5%25d1%2586%25d0%25b5%25d0%25bf%25d1%2582%25d1%258b%2Ffarshirovannaya-shhuka.html was not found on this server. That’s all we know.