RewriteCond %{HTTP_HOST} ^poddomen\.(.+) [NC]
RewriteRule .* http://%1/$0 [L,R=301]
RewriteCond %{HTTP_HOST} ^www\.poddomen\.(.+) [NC]
RewriteRule .* http://%1/$0 [L,R=301]
RewriteCond %{HTTPS} !=on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}