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

Non-authoritative answer:
Name:	id.duolingo.com
Address: 34.203.88.169
Name:	id.duolingo.com
Address: 100.52.8.174
Name:	id.duolingo.com
Address: 3.222.208.0
Name:	id.duolingo.com
Address: 44.197.3.57
Name:	id.duolingo.com
Address: 54.152.172.109
Name:	id.duolingo.com
Address: 44.199.159.215
Name:	id.duolingo.com
Address: 52.22.110.152
Name:	id.duolingo.com
Address: 32.192.123.10