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

Non-authoritative answer:
www.markmonitor.com	canonical name = www.markmonitor.com.cdn.cloudflare.net.
Name:	www.markmonitor.com.cdn.cloudflare.net
Address: 104.18.39.152
Name:	www.markmonitor.com.cdn.cloudflare.net
Address: 172.64.148.104
Name:	www.markmonitor.com.cdn.cloudflare.net
Address: 2606:4700:4404::6812:2798
Name:	www.markmonitor.com.cdn.cloudflare.net
Address: 2606:4700:440b::ac40:9468