DDNS IPv6 Cloudflare

[Bob.Dig]

@johnpoz So I have not willingly or knowingly put it in a host file for IPv4. When does pfSense this and why it didn't happened for IPv6 also?
I think it is a bug. The bug is that the alias is taking no hosts or FQDN for IPv6, only for IPv4.
2.4.4-RELEASE-p3

[johnpoz]

Dude this is not rocket science --- here I turned on ipv6 via dhcp6 on my client.... Setup a static entry for it - bing bang soom there you go host name is in the host file, both fully qualified and just host..

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So pfsense can not resolve it with just host name
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Having your client register its dns name can be done via the dhcpv6 setup or the client into pfsense...

[Bob.Dig]

@johnpoz Could you do me a favor by creating an hostname or FQDN IPv6 Alias in pfSense and making a screenshot?

I have my names in DHCP and DNS Resolver already.

[Bob.Dig]

In my ongoing "battle" with DDNS and dynamic prefixes I was able to get a "RFC 2136 Client" in pfSense working with dynv6.com. The "normal" DDNS-Client in pfSense for dynv6 wouldn't work for me.

Anyway, what it allows me, is to have a prefix on an interface in the DNS. Together with static interface identifiers (host part), like you can have in pfSense with DHCPv6 Static Mappings on an interface which tracks IPv6-WAN, now the hosts have a working DDNS, because the changing prefix get registered in DNS, not only in pfSense.
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dynv6.com even allows you to use your own sub-domain via delegation, which I did.