shell:$ nslookup -timeout=2 -retry=1 'video-ams4-1.xx.fbcdn.net'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	video-ams4-1.xx.fbcdn.net
Address: 57.145.4.129
Name:	video-ams4-1.xx.fbcdn.net
Address: 2a03:2880:f382:81:face:b00c:0:1823