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

Non-authoritative answer:
Name:	www.fierro.com.ar
Address: 104.26.4.239
Name:	www.fierro.com.ar
Address: 104.26.5.239
Name:	www.fierro.com.ar
Address: 172.67.72.217
Name:	www.fierro.com.ar
Address: 2606:4700:20::681a:4ef
Name:	www.fierro.com.ar
Address: 2606:4700:20::ac43:48d9
Name:	www.fierro.com.ar
Address: 2606:4700:20::681a:5ef