Boost not caching subdomains

my boost settings

### BOOST START ###
AddDefaultCharset utf-8
FileETag None


Header set Expires "Sun, 19 Nov 1978 05:00:00 GMT"
Header set Cache-Control "no-store, no-cache, must-revalidate, post-check=0, pre-check=0"



AddCharset utf-8 .html
AddCharset utf-8 .css
AddCharset utf-8 .js


ForceType text/html


ForceType text/javascript


ForceType text/css

# NORMAL - Cached css & js files
RewriteCond %{DOCUMENT_ROOT}/cache/perm/%{SERVER_NAME}%{REQUEST_URI}_\.css -s
RewriteRule .* cache/perm/%{SERVER_NAME}%{REQUEST_URI}_\.css [L,QSA,T=text/css]
RewriteCond %{DOCUMENT_ROOT}/cache/perm/%{SERVER_NAME}%{REQUEST_URI}_\.js -s
RewriteRule .* cache/perm/%{SERVER_NAME}%{REQUEST_URI}_\.js [L,QSA,T=text/javascript]

# Caching for anonymous users
# Skip boost IF not get request OR uri has wrong dir OR cookie is set OR request came from this server OR https request
RewriteCond %{REQUEST_METHOD} !^(GET|HEAD)$ [OR]
RewriteCond %{REQUEST_URI} (^/(admin|cache|misc|modules|sites|system|openid|themes|node/add))|(/(comment/reply|edit|user|user/(login|password|register))$) [OR]
RewriteCond %{HTTP_COOKIE} DRUPAL_UID [OR]
RewriteCond %{HTTP:Pragma} no-cache [OR]
RewriteCond %{HTTP:Cache-Control} no-cache [OR]
RewriteCond %{HTTPS} on
RewriteRule .* - [S=1]

# NORMAL
RewriteCond %{DOCUMENT_ROOT}/cache/normal/%{SERVER_NAME}%{REQUEST_URI}_%{QUERY_STRING}\.html -s
RewriteRule .* cache/normal/%{SERVER_NAME}%{REQUEST_URI}_%{QUERY_STRING}\.html [L,T=text/html]

### BOOST END ###

this solved it http://drupal.org/node/1508994