shell:$ nslookup -timeout=2 -retry=1 'duolingo.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	duolingo.com
Address: 54.172.165.7
Name:	duolingo.com
Address: 3.208.236.226
Name:	duolingo.com
Address: 52.204.230.8