Access to repo on git.linux-ipv6.org

Hello.

I would like to ask you how to access:
git://git.linux-ipv6.org/gitroot/iputils.git

IPv4 git service not running:
Nmap scan report for git.linux-ipv6.org (203.178.142.218) Host is up (0.29s latency).
rDNS record for 203.178.142.218: nezu.linux-ipv6.org
PORT STATE SERVICE
9418/tcp closed git

IPv6 git service running, but what git options should i used to clone it:
Nmap scan report for git.linux-ipv6.org (2001:200:0:1c01:20f:1fff:fe67:32e9) Host is up (0.30s latency).
PORT STATE SERVICE
9418/tcp open git

Thank you for your help.