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

Non-authoritative answer:
Name:	openclassrooms.com
Address: 104.18.15.226
Name:	openclassrooms.com
Address: 104.18.14.226
Name:	openclassrooms.com
Address: 2606:4700::6812:fe2
Name:	openclassrooms.com
Address: 2606:4700::6812:ee2