shell:$ nslookup -timeout=2 -retry=1 'app.smartly.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
app.smartly.io	canonical name = app.smartly.io.cdn.cloudflare.net.
Name:	app.smartly.io.cdn.cloudflare.net
Address: 104.17.17.108
Name:	app.smartly.io.cdn.cloudflare.net
Address: 104.17.16.108