shell:$ nslookup -timeout=2 -retry=1 'edge-ig-dgw-shv-01-sea1.facebook.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	edge-ig-dgw-shv-01-sea1.facebook.com
Address: 157.240.3.142