shell:$ nslookup -timeout=2 -retry=1 'imgssl.constantcontact.com.cdn.cloudflare.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	imgssl.constantcontact.com.cdn.cloudflare.net
Address: 104.16.234.42
Name:	imgssl.constantcontact.com.cdn.cloudflare.net
Address: 104.16.233.42