shell:$ nslookup -timeout=2 -retry=1 '7683d1ba-eb0b-4b85-9060-388ef7a1a8a3-netseer-ipaddr-assoc.xy.fbcdn.net'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	7683d1ba-eb0b-4b85-9060-388ef7a1a8a3-netseer-ipaddr-assoc.xy.fbcdn.net
Address: 2a03:2880:f179:89:face:b00c:0:79f4