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

Non-authoritative answer:
resources.office.com	canonical name = microsoftdemandcenter-ssl.mktoweb.com.
microsoftdemandcenter-ssl.mktoweb.com	canonical name = sj18.mktossl.com.
Name:	sj18.mktossl.com
Address: 104.17.74.206
Name:	sj18.mktossl.com
Address: 104.17.71.206
Name:	sj18.mktossl.com
Address: 104.17.70.206
Name:	sj18.mktossl.com
Address: 104.17.72.206
Name:	sj18.mktossl.com
Address: 104.17.73.206