You can search Host via [Objects->APP
Security->URL Filtering->URL Categories]to check if the URL is in the
predefined local library.

The local library is limited
in size. You can enable cloud query in the URL filtering policy, click edit the
URL filtering policy referenced by the security policy via [Objects->APP
Security->URL Filtering->Profiles], select Cloud Query (The Cloud Query
function requires the device to be able to connect to the Internet)
