shell:$ nslookup -timeout=2 -retry=1 'duolingo.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	duolingo.com
Address: 44.195.214.236
Name:	duolingo.com
Address: 184.192.161.228
Name:	duolingo.com
Address: 18.232.212.172
Name:	duolingo.com
Address: 35.172.6.9
Name:	duolingo.com
Address: 44.216.70.103
Name:	duolingo.com
Address: 34.205.213.191