shell:$ nslookup -timeout=2 -retry=1 'images.contentstack.io'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
images.contentstack.io	canonical name = images.contentstack.io.cdn.cloudflare.net.
Name:	images.contentstack.io.cdn.cloudflare.net
Address: 104.19.208.48
Name:	images.contentstack.io.cdn.cloudflare.net
Address: 104.19.191.48
Name:	images.contentstack.io.cdn.cloudflare.net
Address: 2606:4700::6813:d030
Name:	images.contentstack.io.cdn.cloudflare.net
Address: 2606:4700::6813:bf30