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

Non-authoritative answer:
cdn.markmonitor.com	canonical name = d19e5dkich96iy.cloudfront.net.
Name:	d19e5dkich96iy.cloudfront.net
Address: 52.85.12.109
Name:	d19e5dkich96iy.cloudfront.net
Address: 52.85.12.54
Name:	d19e5dkich96iy.cloudfront.net
Address: 52.85.12.6
Name:	d19e5dkich96iy.cloudfront.net
Address: 52.85.12.91