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

Non-authoritative answer:
cdn.files-text.com	canonical name = cdn.files-text.com.edgekey.net.
cdn.files-text.com.edgekey.net	canonical name = e39296.b.akamaiedge.net.
Name:	e39296.b.akamaiedge.net
Address: 23.199.54.242
Name:	e39296.b.akamaiedge.net
Address: 23.199.54.237