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Forum Discussion
RobertSearl
Jul 04, 2021Aspirant
r6400
I installed the latest update: Firmware Version V1.0.1.72_1.0.45 Now I get messages like: "This site can’t be reached Check if there is a typo in login.gmx.com. If spelling is correct, try ...
vjayer
Jul 06, 2021Tutor
I have this exact same problem too, and it only seems to affect Windows machines.
It appeared before the current firmware, maybe about 2 firmware versions ago, although they have been released close together.
Basically, if I use the router's DHCP setting and not modify it per client, therefore accept it as the DNS resolver, Windows machines frequently have DNS timeouts/resolution problems.
Just retrying several times will eventually overcome the DNS issue, but it's frequent and annoying and will interfere with anything automated or queued
Interestingly Linux clients do not have this problem even when using the R6400 router for DNS resolution.
vjayer
Jul 08, 2021Tutor
just to update, I have a few times gotten dns issues on linux and Android devices since the recent firmware releases. But very rarely in comparison to Windows.
With the router acting as the dns server, I assume is just forwarding all the requests to my ISP (whose dns servers are listed in the Advanced > Internet Port section)
I don't know much about this, but is the router caching (the TTL in DNS) and is there an issue with this?