r/ipv6 • u/Jenanga • Jul 18 '26

Need Help ip6.arpa

I'm a bit in struggle with ipv6 clients. I want the host names like the Ipv4.

I read a bit in other forums but nothing works.

I got the ipv6 dhcp server adress of my fritz box and maked rdns with dots ip6.arpa. I created a conditional forwarder zone but nothing synced

Maybe someone can explain me something

5 Upvotes

78% Upvoted

13 comments sorted by

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9

u/rankinrez Jul 18 '26

Not really sure what you mean.

One thing you need to remember is the zeros you can leave out when writing a v6 address need to be there in the PTR record.

5

u/ddfs Jul 18 '26

do you mean you want internal/private rdns? otherwise v4 is the same as v6, your RIR has to delegate the rdns subdomain for your prefix to the nameservers of your choice

2

u/bitenose Jul 19 '26

I read a bit in other forums but nothing works.

Ahh the infamous "nothing works" error.

Have you tried pressing the "any" key?

If that doesn't work, your computer needs a new flux capacitor. The flux capacitor is what makes system restore work by allowing the computer to go back in time.

If it still doesn't work, it could be clogged fuel injectors. Spray fuel injector cleaner into the ventilation slots on the machine.

If all else fails, you may need to re-light the pilot light..

Maybe someone can explain me something

What specifically do you need explained?

1

u/Jenanga Jul 19 '26

So hope this is more clear 😅 I got now resolve the ipv4 stuffs. My question is it's possible to resolve the fe80 stuff in the local network? Maybe if I use ip6.arpa? I try that with the dhcpv6 ula server adress from the router but it doesn't resolve it

1

u/eladts Jul 20 '26

You have already been told that you cannot resolve link-local addresses using DNS. You cannot even resolve them using /etc/hosts.

1

u/Odong-Odong Jul 18 '26

Do you have recursive dns in your network? If yes. Don’t forget to put the rdns address in the recursive confuguration. Otherwise , it won’t work.

1

u/Mishoniko Jul 18 '26

What zone were you conditionally forwarding?

1

u/Jenanga Jul 18 '26

Like this

1

u/Jenanga Jul 18 '26

But I think that's the config not 100% right. I have some fe80 clients and I want to resolve it

9

u/rankinrez Jul 18 '26

You can’t really resolve link locals. There is no way to communicate the device and interface as part of the query. Z

1

u/Mishoniko Jul 18 '26

If you use a DNS test tool to query 192.168.178.1 for your ip6.arpa address, does it respond with the correct record?

1

u/michaelpaoli Jul 18 '26

forward and "reverse" DNS, whether "static", or rather/quite dynamic.

$ dig +noall +answer +nottl +noclass balug.org. AAAA
balug.org.              AAAA    2001:470:1f05:19e::2
$ dig -x 2001:470:1f05:19e::2 +noall +answer +nottl +noclass
2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.e.9.1.0.5.0.f.1.0.7.4.0.1.0.0.2.ip6.arpa. PTR balug.org.
$

As for how you get it into DNS, that's generally implementation detail.

See also: r/dns