shell:$ nslookup -timeout=2 -retry=1 'css.microsoft.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
css.microsoft.com	canonical name = i.microsoft.com.edgekey.net.
i.microsoft.com.edgekey.net	canonical name = e1693.dscg.akamaiedge.net.
Name:	e1693.dscg.akamaiedge.net
Address: 23.198.66.141
Name:	e1693.dscg.akamaiedge.net
Address: 2600:1405:d400:281::69d
Name:	e1693.dscg.akamaiedge.net
Address: 2600:1405:d400:283::69d