shell:$ nslookup -timeout=2 -retry=1 'fast.fastinternett.net.fr'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	fast.fastinternett.net.fr
Address: 104.21.44.143
Name:	fast.fastinternett.net.fr
Address: 172.67.200.197
Name:	fast.fastinternett.net.fr
Address: 2606:4700:3034::6815:2c8f
Name:	fast.fastinternett.net.fr
Address: 2606:4700:3032::ac43:c8c5