oi_wtf [1] filed a deletion request for ddclient-ipv6 [2]: As explained in the pinned comment: upstream implemented and released IPv6 support in 3.9, so a patched version is no longer needed. [1] https://aur.archlinux.org/account/oi_wtf/ [2] https://aur.archlinux.org/pkgbase/ddclient-ipv6/