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: 54.156.89.6
Name:	duolingo.com
Address: 18.211.148.8
Name:	duolingo.com
Address: 18.210.111.48
Name:	duolingo.com
Address: 34.200.185.102