Arch Linux

Brain

Member

Registered: 2020-07-29

Posts: 60

DNS Resolution does not work with ssh

I recently set up a home server and a domain name that points to the IPv4 and the IPv6 of that home server.
I can ssh into this server by using the IPv4, but I can not use the domain name nor the IPv6.
I did some research and figured that this must have to do something with DNS resolution.
What can I do about this?
I use NetworkManager.

Last edited by Brain (2021-04-15 11:06:41)

Lone_Wolf

Administrator

From: Netherlands, Europe

Registered: 2005-10-04

Posts: 13,281

Re: DNS Resolution does not work with ssh

let's verify first if your network connection does work as expected with ipv6 .

post the output of

$ ping 2a01:4f9:c010:6b1f::1
$ ping archlinux.org
$ ping -4 archlinux.org

if all 3 work try pinging the ipv6 address of the home server.

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clean chroot building not flexible enough ?
Try clean chroot manager by graysky

Brain

Member

Registered: 2020-07-29

Posts: 60

Re: DNS Resolution does not work with ssh

All three ping commands work. However, pinging the IPv6 of my home server does not return bytes.
I then tried to login with `ssh -4 myuser@mydomain.com` and that WORKED!
One possible answer for that might be, that I might have specified a wrong IPv6 on the domain registrar.
How can I find out the IPv6 of my server when I'm logged in via ssh on my server?

damjan

Member

Registered: 2006-05-30

Posts: 454

Re: DNS Resolution does not work with ssh

How can I find out the IPv6 of my server when I'm logged in via ssh on my server?

ip addr

Brain

Member

Registered: 2020-07-29

Posts: 60

Re: DNS Resolution does not work with ssh

I have tried pinging the IPv4 of my home server and that does also just wait.
I think I have set up the IPv6 correctly on the domain registrar, but when I open my website in Firefox, it uses the IPv4 version.
What am I doing wrong?

progandy

Member

Registered: 2012-05-17

Posts: 5,279

Re: DNS Resolution does not work with ssh

Is your router set up correctly to allow the ipv6 connection through its firewall?

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