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Thank you .. the first part was exactly what I wanted. I only am doing it on the one interface.
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25.7, 25.10 Series / Re: Having trouble with DNSMASQ while fine in ISC DHCP4
Today at 04:45:09 AM #2
25.7, 25.10 Series / [SOLVED] Having trouble with DNSMASQ while fine in ISC DHCP4
January 27, 2026, 09:34:54 PM
First I am a self designated newbie, so I will try to explain my problem.
So I have several devices on an interface (WIFI, only cause I did not want to put the device on my LAN) and mostly they work as I can specify DNS settings. I am using Unbound in Opnsense and DNS over TLS.
Some devices are fine, my phone and tablet (hard coded DNS to my PiHole). I want only 1 Opnsense interface to go to the PiHole, that being my WiFi interface.
The problem is my ROKU device as it does not have the ability to specify a DNS IP. It uses whatever the router (aka Opnsense) does.
I have checked and my Unbound logs show that the DNS for that device is working and showing ANSWER with no errors. However I would like the Unbound DNS data to be sent to the PiHole. It currently is not ?
It worked fine in ISC but now I have setup DNSMASQ and it is not working. One thing I have seen in Zenarmor is that it tries to go to 8.8.8.8 and 8.8.4.4.
Thus I would like to forward all DNS traffic from that one IP/device to the PiHole. I cannot see the query information in the PiHole currently.
I am ok with the Opnsense GUI interface, but I am not knowledgeable on how to force the DNS to work as desired.
Looking for any assistance as I would like to use DNSMASQ as ISC is EOL.
Thanks
dns_boy
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So I have several devices on an interface (WIFI, only cause I did not want to put the device on my LAN) and mostly they work as I can specify DNS settings. I am using Unbound in Opnsense and DNS over TLS.
Some devices are fine, my phone and tablet (hard coded DNS to my PiHole). I want only 1 Opnsense interface to go to the PiHole, that being my WiFi interface.
The problem is my ROKU device as it does not have the ability to specify a DNS IP. It uses whatever the router (aka Opnsense) does.
I have checked and my Unbound logs show that the DNS for that device is working and showing ANSWER with no errors. However I would like the Unbound DNS data to be sent to the PiHole. It currently is not ?
It worked fine in ISC but now I have setup DNSMASQ and it is not working. One thing I have seen in Zenarmor is that it tries to go to 8.8.8.8 and 8.8.4.4.
Thus I would like to forward all DNS traffic from that one IP/device to the PiHole. I cannot see the query information in the PiHole currently.
I am ok with the Opnsense GUI interface, but I am not knowledgeable on how to force the DNS to work as desired.
Looking for any assistance as I would like to use DNSMASQ as ISC is EOL.
Thanks
dns_boy
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