shell:$ nslookup -timeout=2 -retry=1 'iphone6s-movistar.herokuapp.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
iphone6s-movistar.herokuapp.com	canonical name = va04.ingress.herokuapp.com.
Name:	va04.ingress.herokuapp.com
Address: 3.209.172.72
Name:	va04.ingress.herokuapp.com
Address: 23.22.130.173
Name:	va04.ingress.herokuapp.com
Address: 54.243.238.66
Name:	va04.ingress.herokuapp.com
Address: 107.22.57.98