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Tailscale & Next DNS issues

Hi,

 

I installed NextDNS via Tailscale, but I don't know if it's working 100% because of a message mentioning Apple Private Relay, the message isn’t clear. Is it working or not?

Secondly, when I look at the NextDNS console / statistics, I see three out of my five devices, macOS, iOS & iPadOS, I am missing the Synology NAS (DSM).

 

However, although I can see the three Apple devices, I have four IP addresses displayed.

 

I can manually update the DNS in DSM ?

 

Any ideas? Thank you!

1 reply

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    • KeizerSauze
    • 2 wk ago
    • Reported - view

    In summary

     

    NextDNS is configured only via Tailscale (global DNS, Override enabled). All via Docker.

    Devices: 3 Apple (macOS/iOS), 2 Synology NAS (DSM), all connected and working on Tailscale.

     

    In NextDNS:

    • DNS traffic appears from 4 IP addresses while only 3 Apple devices are identified.

    • No DNS traffic appears for either Synology NAS.

     

     

    Apple devices use Apple Private Relay; NextDNS shows a related message, but it is ambiguous and does not clearly explain IP/device attribution.

    If Private Relay has any impact, it might affects Apple devices only, not Synology NAS.

     

    Tailscale exposes DNS configuration globally only and provides no per-device visibility of actual DNS usage.

     

    Result: the observations are clear, but with the available tools there is no conclusive way to determine whether the NAS use NextDNS.

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