DDNS interface changes after VPN client install

I’m using an GL-AX1800 f/w beta 4.1.0 release 3.
Brand new install - I configured the DDNS and it works. Then I installed a Wireguard VPN Client. It connects and works well.
However, when I now test the DDNS it returns the Wireguard client IP instead of eth0.

Any suggestion?

Thank you,

Can you try this option?


Thank you for the reply. I have the global options as:

However, the DDNS shows the Wireguard VPN IP:

Any suggestions?

Thank you

I tested multiple times and seems it works. Just sometimes slow.

You can use this website to check your ddns which is better dnschecker.org

The internal checker seems slow. But eventually works.