The manual operation consists in visualizing what is the category of a website, and if The Shields considers this site as dangerous (blocked), to be in white list. This feature is available in Artica 4.30 Service Pack 387
Click on the “Categorize” top menu.
Select Test categories tab
Put the tested domain on the field and type enter key
You will see if the Shield allow the domain or not.
Take care about the “Cached” notice, this means The Shields service aloready store results in it's cache.
If your website is “whitelisted” then you will have a “WHITE/WhiteListed” mention