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

Non-authoritative answer:
www.coursera.org	canonical name = www-cloudfront-alias.coursera.org.
Name:	www-cloudfront-alias.coursera.org
Address: 3.162.3.24
Name:	www-cloudfront-alias.coursera.org
Address: 3.162.3.102
Name:	www-cloudfront-alias.coursera.org
Address: 3.162.3.25
Name:	www-cloudfront-alias.coursera.org
Address: 3.162.3.90