Unbound DNS not resolving

Started by bugleboy, June 30, 2025, 08:38:18 PM

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June 30, 2025, 08:38:18 PM Last Edit: June 30, 2025, 08:59:17 PM by bugleboy
I recently began having issues with Unbound, seemingly out of nowhere. I'm on the latest version of OPNsense. I reloaded to a config which I had unbound working on to no avail. I have a bare-bones Unbound config, and have kept nothing in the advanced tab enabled while I'm troubleshooting. This is not too far off from my usual working config, as Unbound essentially serves as a forwarder for me. If I switch a client's DNS servers to 8.8.8.8, 8.8.4.4, DNS works fine. Logs reveal nothing useful, I've also tried following this Unbound config without any results. I've reinstalled Unbound a few times as well to hopefully clear any corrupt files.

EDIT: After looking over a packet capture on one of my WAN Interfaces, I can see that the firewall is forwarding traffic back to itself. The WAN interface gets the query, and sends it back to the LAN interface IP. No packets show any forwarding to 8.8.8.8 or 8.8.4.4 which I have Unbound set to forward traffic to.

Any help would be appreciated.


Have you set 8.8.8.8 and 8.8.4.4 as DNS server in System / General? Or have you set them in Unbound / Query Forwarding or Unbound / DNS over TLS?

I'm confused about the packet capture result. How is WAN and LAN configured (Screenshots? Blur out your public IPs).
Deciso DEC740