shell:$ nslookup -timeout=2 -retry=1 'css.rbxcdn.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
css.rbxcdn.com	canonical name = cssns1.rbxcdn.com.
cssns1.rbxcdn.com	canonical name = cssaws.rbxcdn.com.
cssaws.rbxcdn.com	canonical name = d1kpbbfl4rco16.cloudfront.net.
Name:	d1kpbbfl4rco16.cloudfront.net
Address: 13.225.196.22
Name:	d1kpbbfl4rco16.cloudfront.net
Address: 13.225.196.72
Name:	d1kpbbfl4rco16.cloudfront.net
Address: 13.225.196.95
Name:	d1kpbbfl4rco16.cloudfront.net
Address: 13.225.196.55