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

Non-authoritative answer:
Name:	isat.novan.hostnovan-store.duolingo.com
Address: 100.50.35.235
Name:	isat.novan.hostnovan-store.duolingo.com
Address: 34.234.44.124
Name:	isat.novan.hostnovan-store.duolingo.com
Address: 174.129.37.24
Name:	isat.novan.hostnovan-store.duolingo.com
Address: 52.1.2.59