shell:$ nslookup -timeout=2 -retry=1 'external.fbga1-3.fna.fbcdn.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
external.fbga1-3.fna.fbcdn.net	canonical name = scontent.fbga1-3.fna.fbcdn.net.
Name:	scontent.fbga1-3.fna.fbcdn.net
Address: 186.102.190.145