Evtl. doch noch nicht ganz?
root@17258-Gutshaus:/# autoupdater -f
Retrieving manifest from http://firmware.ipv6.4830.org/rawhide/sysupgrade/rawhide.manifest ...
autoupdater: warning: error downloading manifest: Connection failed
autoupdater: error: no usable mirror found
root@17258-Gutshaus:/# nslookup firmware.ipv6.4830.org
;; connection timed out; no servers could be reached
root@17258-Gutshaus:/# cat /tmp/resolv.conf.auto
# Interface client
nameserver fd39:e4e3:eee1::5
nameserver 2620:0:ccc::2
root@17258-Gutshaus:/# ping -6 fd39:e4e3:eee1::5
PING fd39:e4e3:eee1::5 (fd39:e4e3:eee1::5): 56 data bytes
^C
--- fd39:e4e3:eee1::5 ping statistics ---
18 packets transmitted, 0 packets received, 100% packet loss
root@17258-Gutshaus:/# ping -6 2620:0:ccc::2
PING 2620:0:ccc::2 (2620:0:ccc::2): 56 data bytes
^C
--- 2620:0:ccc::2 ping statistics ---
11 packets transmitted, 0 packets received, 100% packet loss