[threadbare]

Originally Posted by altis

Curiously, neither of these two work for me:
http://www.all-nettools.com/pr.htm (just hangs)
http://www.broadband-help.com/cm_diagnose.asp?init=1 (reports cache IP as mine!)

but this one does:
http://www.nthellworld.co.uk/?page=proxy (but reports a different cache!)

3rd site reports different cache because different caches within proxy cluster cache different websites based on the IP addy of the site. this is determined by WCCP which is more often than not the actual problem