Redirect from www to without www Cyrillic wordpress domain?

Question

htaccess

People help me set up a redirect, something doesn't work :) the site of doors.rf, I'm trying to redirect to without www, it doesn't work:
I do this
AddDefaultCharset utf-8
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www.xn--b1aaef9bl6b.xn-- p1ai$ [NC]
RewriteRule ^(.*)$ xn--b1aaef9bl6b.xn--p1ai/$1 [R=301,L]
page not available at all

Answer 1

Maybe you have nginx instead of apache. In this case, it is useless to pick htaccess.
There it is something like this https://gist.github.com/esfand/8246661