shell:$ nslookup -timeout=2 -retry=1 'cdn-ci26.actonsoftware.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
cdn-ci26.actonsoftware.com	canonical name = cdn-forpci26.actonsoftware.com.
cdn-forpci26.actonsoftware.com	canonical name = d3vc11kgpl1r58.cloudfront.net.
Name:	d3vc11kgpl1r58.cloudfront.net
Address: 18.160.249.16
Name:	d3vc11kgpl1r58.cloudfront.net
Address: 18.160.249.112
Name:	d3vc11kgpl1r58.cloudfront.net
Address: 18.160.249.49
Name:	d3vc11kgpl1r58.cloudfront.net
Address: 18.160.249.25