shell:$ nslookup -timeout=2 -retry=1 'video-iad3-1.xx.fbcdn.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	video-iad3-1.xx.fbcdn.net
Address: 31.13.66.28
Name:	video-iad3-1.xx.fbcdn.net
Address: 2a03:2880:f003:c14:face:b00c:0:1823