shell:$ nslookup -timeout=2 -retry=1 'traffic-nts-ip-assoc.xz.fbcdn.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	traffic-nts-ip-assoc.xz.fbcdn.net
Address: 31.13.76.38