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RBR850 frequently issuing DNS REFUSED responses
Had the RBK852 now for just over a month, and have an issue I'll open a support ticket for. Wondered though if others have been experiencing anything similar. Basically and since day 1 after put...
Good Luck. This issue is resolved by the beta thats available.
To narrow and workaround this DNS issue, can I change my Windows connection's TCP/IP properties for DNS and choose directly Google DNS (8.8.8.8 and 8.8.4.4)? By doing that and not using the default DNS server address (i.e., my Orbi router's IP address) then should we expect my intermittent browser DNS episodes to stop? I'm trying it now to see if I notice a difference today.
Yes that's right.
Setting them on the router wouldn't help workaround it (but does help confirm it's not an ISP DNS service issue but a dnsmasq one).
Setting them directly on your host (e.g. windows) machine IP properties instead of relying on DHCP picking up the router's address for DNS should instantly** prevent further occurences.
** At least in something modern, i.e. Windows 10, which doesn't require you to restart from DNS IP changes.
And to exacerbate / test harder on purpose, issue frequent "ipconfig /flushdns" calls inbetween attempts to resolve a hostname, either with the router/DHCP address for DNS, or whether the directly entered google ones into your connection's IP properties, and you should see the frequency of the issue increase with the router/DHCP address, and still no problems with the directly entered google ones to the machine.