shell:$ nslookup -timeout=2 -retry=1 'ha-auth-vip.pj.univ-amu.fr'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	ha-auth-vip.pj.univ-amu.fr
Address: 139.124.244.163