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 = cssak.rbxcdn.com.
cssak.rbxcdn.com	canonical name = css.rbxcdn.edgesuite.net.
css.rbxcdn.edgesuite.net	canonical name = a1962.dscw27.akamai.net.
Name:	a1962.dscw27.akamai.net
Address: 23.222.17.140
Name:	a1962.dscw27.akamai.net
Address: 23.222.17.143
Name:	a1962.dscw27.akamai.net
Address: 2600:140a:5000:e::17cd:ff2a
Name:	a1962.dscw27.akamai.net
Address: 2600:140a:5000:e::17cd:ff2c