shell:$ nslookup -timeout=2 -retry=1 'my-od.facebook.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
my-od.facebook.net	canonical name = ondemand-edge.c10r.facebook.com.
Name:	ondemand-edge.c10r.facebook.com
Address: 57.144.173.149
Name:	ondemand-edge.c10r.facebook.com
Address: 2a03:2880:f356:195:face:b00c:0:4619