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

Non-authoritative answer:
Name:	support.duolingo.com
Address: 3.209.153.59
Name:	support.duolingo.com
Address: 100.48.130.46
Name:	support.duolingo.com
Address: 3.215.20.162
Name:	support.duolingo.com
Address: 44.197.3.57
Name:	support.duolingo.com
Address: 52.205.12.243
Name:	support.duolingo.com
Address: 75.101.145.91
Name:	support.duolingo.com
Address: 3.86.75.54
Name:	support.duolingo.com
Address: 54.88.123.43