shell:$ nslookup -timeout=2 -retry=1 'coursera.org'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	coursera.org
Address: 13.226.238.8
Name:	coursera.org
Address: 13.226.238.108
Name:	coursera.org
Address: 13.226.238.21
Name:	coursera.org
Address: 13.226.238.65