shell:$ nslookup -timeout=2 -retry=1 'www.lookback.io'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	www.lookback.io
Address: 63.33.249.99
Name:	www.lookback.io
Address: 54.74.127.107
Name:	www.lookback.io
Address: 34.241.54.229