Pour voir si d'URL (domaine) est résolu avec un IPv6.
Pour l'instant, à partir de mon serveur (chez OVH) : nada :
root@ns311465:~# host bbcunited.be
bbcunited.be has address 213.186.33.17
bbcunited.be mail is handled by 1 redirect.ovh.net.
root@ns311465:~# ping bbcunited.be
PING bbcunited.be (213.186.33.17) 56(84) bytes of data.
64 bytes from cluster006.ovh.net (213.186.33.17): icmp_seq=1 ttl=60 time=3.90 ms
64 bytes from cluster006.ovh.net (213.186.33.17): icmp_seq=2 ttl=60 time=3.90 ms
64 bytes from cluster006.ovh.net (213.186.33.17): icmp_seq=3 ttl=60 time=3.88 ms
^C
--- bbcunited.be ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 3.880/3.897/3.908/0.073 ms
root@ns311465:~# ping6 bbcunited.be
unknown host
root@ns311465:~#