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

Non-authoritative answer:
app.rushup.io	canonical name = d3gd1eu3euvpcu.cloudfront.net.
Name:	d3gd1eu3euvpcu.cloudfront.net
Address: 3.160.5.88
Name:	d3gd1eu3euvpcu.cloudfront.net
Address: 3.160.5.43
Name:	d3gd1eu3euvpcu.cloudfront.net
Address: 3.160.5.53
Name:	d3gd1eu3euvpcu.cloudfront.net
Address: 3.160.5.103