It *seems* that having four DNS servers in list causes some sort of buffer-overflow. I can't prove this except for having experienced this weird behaviour
Have you watched the network traffic?
My idea is that all servers are contacted round robin and the first that answers becomes the current server.
@fredl99 If that's the case then I'll have to set pfSense to perform lookups for things it doesn't find.
This is probably what I should have done in the first place
It was only an idea. You should examine that before changing anything.
With Linux iptraf could be helpful for this.
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