shell:$ nslookup -timeout=2 -retry=1 'udemy-ssl.mktoweb.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
udemy-ssl.mktoweb.com	canonical name = sj08.mktossl.com.
Name:	sj08.mktossl.com
Address: 104.17.73.206
Name:	sj08.mktossl.com
Address: 104.17.70.206
Name:	sj08.mktossl.com
Address: 104.17.74.206
Name:	sj08.mktossl.com
Address: 104.17.72.206
Name:	sj08.mktossl.com
Address: 104.17.71.206