shell:$ nslookup -timeout=2 -retry=1 'promociones.tuenti.com.ar'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
promociones.tuenti.com.ar	canonical name = c2f457016f064449b12a78cc4886e8be.unbouncepages.com.
Name:	c2f457016f064449b12a78cc4886e8be.unbouncepages.com
Address: 104.18.34.21
Name:	c2f457016f064449b12a78cc4886e8be.unbouncepages.com
Address: 172.64.153.235