Deco says no internet but internet is working fine, probably DNS issue
Hi,
maybe someone is abel to shed some light on a weird problem.
My setup is as follows:
Archer VR2800v which provides internet access and DHCP but basically nothing else.
Deco X55 connected via Ethernet Cable to the router, two more X55 units which are part of the Mesh and the complete thing running in access point mode.
I also run my own adguard DNS server locally in a Docker Container (which in turn uses Quad9 as downstream servers).
All of the above is on the latest firmware versions.
Internet via Wifi works just fine but the X55 says there is no connection and the LEDs are red.
Now when I change the DNS server to either Google or Cloudflare everything works just fine, however I would like to run my own as I do ad blocking on a network level with the adguard DNS.
Strangely enough, a week ago everything just worked fine with red light and the decos working fine with my own DNS.
So my question is, was there a change in how the "online detection" works? Does the DNS have to resolve a special address?
Any advice would be appreciated.
Thanks!
EDIT: When I use the built in wifi diagnosis in the deco app, there is a ping timeout, however if I use the advertised Wifi Toolkit app, everything the same ping to google.com just works fine.
