shell:$ nslookup -timeout=2 -retry=1 'couroberon.free.fr'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
couroberon.free.fr	canonical name = perso114-g5.free.fr.
Name:	perso114-g5.free.fr
Address: 212.27.63.114
Name:	perso114-g5.free.fr
Address: 2a01:e0c:1:1597::114