I am not sure why this site is blocked in my org - Optum/UHG. 

This page is blocked due to United Health Group policy.

Access to the web site intersystems.customershome.com has been blocked because it considered Uncategorized or a Parked Domain and are not allowed based on UnitedHealth Group's access policies.

Can you please share some more details about it?

%RemoteResultSet has been removed in later version. Not available anymore.