Hallo Van
Bin auch bei Strato und bei mir siehe es so aus
##-- Use canonical URLs
##-- redirect to www-domain, when www is missing and no subdomain given and not using an ssl-proxy
RewriteCond %{HTTP:X-Forwarded-Server} !^ssl\.webpack\.de$ [NC]
RewriteCond %{HTTP:X-Forwarded-Server} !^sslsites\.de$ [NC]
RewriteCond %{HTTP_HOST} !^www\..* [NC]
RewriteCond %{HTTP_HOST} !^.*\..*\..* [NC]
RewriteCond %{HTTP_HOST} !^localhost(.*)$ [NC]
RewriteCond %{REMOTE_ADDR} !127.0.0.1$ [NC]
RewriteRule ^(.*)
http://www.%{HTTP_HOST}/$1 [R=301,L]
Gruß
Günter