Unpkg.com SSL certificate issues using Cisco VPN

I am having SSL certificate issue to access unpkg.com when using Cisco VPN. The site works fine from my home network. I know they have verified certificate from CloudFare, Inc but Cisco seems to flag the site. I am using django-plotly-dash and wondering are there any other cdns to get the contents of unpkg.com. I have submitted a ticket to unpkg.com github page (https://github.com/mjackson/unpkg/issues/258). I guess I could make my own local files or cdn but wondering if something else is already available.