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iOS profile not working when NextDNS setup on home router

Here the issue that I can't understand completely.

I have nextdns configured at the router (Asus) using ddns (Profile 1). I have also a couple of "personal" profiles for me (Profile 2) and my partner (profile 3).  I have also profile 4 that is for testing and it allows every traffic.
The profiles 2 and 3 are: for my iphone and tailscale (PC and Nas) (profile 2) while profile 3 on an iphone only. The issues are similar on profiles 2 and 3 on iOS devices. Tailscale via profile 2 is not effected.

What happens, by using the apple configuration profile is the following:

- profile 2 or 3 enable & wifi connected: nextdns can't resolve anything and internet is absent

- profile 2 or 3 enable & wifi off (5g only): nextdns profile 2 or 3 resolves any request - all fine

- profile 2 or 3 disable & wifi connected: nextdns profile 1 is the one resolving and everything is fine

- profile 4 enable % wifi connected: nextdns can't resolve anything and internet is absent

I am no expert but looks like a issue with the apple configuration profile but I can't really understanding more than this and get to root. I need help

8 replies

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    • R_P_M
    • 2 days ago
    • Reported - view

    Have you tested with using the NextDNS app instead of the configuration profile?

      • MaFa
      • 2 days ago
      • Reported - view

       Nope, good point actually... I will try! What would be the relationship? 
      I've been using the profile on my iphone for months now and the issue occurred only now

      • MaFa
      • 2 days ago
      • Reported - view

       Tested! With the app it works fine

      • R_P_M
      • yesterday
      • Reported - view

       Good that the app version works but no idea why the configuration profile no longer behaves as expected. Perhaps an update to iOS changed things?

      • MaFa
      • yesterday
      • Reported - view

       I need to rectify my reply unfortunately. It doesn't work even with the app.
      It worked a short bit as soon as I arrived at home and connected but stopped working 10 minutes in.

      • R_P_M
      • 21 hrs ago
      • Reported - view

       Ah, right, unfortunate.

      Maybe this is a domain being incorrectly blocked problem. Check your logs around the time it stops working.

      • MaFa
      • 12 hrs ago
      • Reported - view

       it's all the domains, domains that were working just fine few days ago. The whole iphone can't connect. Same website or services on the windows laptop are reachable (with same profile)

      • MaFa
      • 12 hrs ago
      • Reported - view

       Somehow now the regular profile works while the app doesn't. I didn't make any change (except selecting the right profile in VPN settings of iOS)

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  • 12 hrs agoLast active
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