INWX uses https://dyndns.inwx.com/nic/update?myip=<ipaddr>&myipv6=<ip6addr> as update_url.
 
	Both, the IPv4 and the IPv6 address have to be updated in a single call to the API.
 
	KeeneticOS seems to send the IPv4 address and no IPv6 address. 
	 
 
	How can we enable IPv6 for DynDNS?
 
	Thanx for any hint!