DNS_PROBE_STARTED / DNS_PROBE_FINISHED_NXDOMAIN / ERR_CONNECTION_REFUSED

MicaelO
MicaelO Posts: 2
First Comment
edited April 2021 in Security
Hi,
I have this strange problem with a USG40.
Seems like it's at times refuses to let DNS Requests pass through.
Computers in the LAN won't be able to visit sites, then all upp the sudden they can.
They may need to try like 5-10 times before the site show up.

DNS_PROBE_STARTED / DNS_PROBE_FINISHED_NXDOMAIN / ERR_CONNECTION_REFUSED are all errors that have been displayed while they can't access the websites.

Does anyone have any ideas what this could be?

The windows server on the LAN serves as a DNS server and has forwarders set up for the ISP's DNS servers, have also tried to use 8.8.8.8 and the USG40 as forward adresses, but the problem persists.

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