shell:$ nslookup -timeout=2 -retry=1 'free.facebook.all-network.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
free.facebook.all-network.com	canonical name = SNEWS.SERVERHOME.com.
Name:	SNEWS.SERVERHOME.com
Address: 66.45.246.141