Hello,

Is the cache key the whole domain or only main domain + TLD ? 

ie . for www1.foobar.com , is it :

   1. foobar.com

   2.  www1.foobar.com

if it's case 2 than it's really annonying for site that loadbalances accros subdomain www1. wwww2, .... www(n) isn't it ?