shell:$ nslookup -timeout=2 -retry=1 'cdn-forpci61.actonsoftware.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
cdn-forpci61.actonsoftware.com	canonical name = d36gh37bvcb8si.cloudfront.net.
Name:	d36gh37bvcb8si.cloudfront.net
Address: 3.170.51.55
Name:	d36gh37bvcb8si.cloudfront.net
Address: 3.170.51.103
Name:	d36gh37bvcb8si.cloudfront.net
Address: 3.170.51.27
Name:	d36gh37bvcb8si.cloudfront.net
Address: 3.170.51.37