shell:$ nslookup -timeout=2 -retry=1 'engineering.fb.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
engineering.fb.com	canonical name = engineering-fb-com.go-vip.net.
Name:	engineering-fb-com.go-vip.net
Address: 192.0.66.236
Name:	engineering-fb-com.go-vip.net
Address: 2a04:fa87:fffd::c000:42ec