Firefox has its own internal DNS cache. Maybe they're blocking certain sites? You can turn it off.
network.dnsCacheEntries = 0 network.dnsCacheExpiration = 0
in about:config
I'd say it's your DNS in general, but it works on another browser... So try the above.
Thanks, they were both set to zero. I run my own DNS service which is rock solid.
So... It appears the Firefox code itself is blocking certain web pages? I have Firefox installed, what's one of the websites?
Firefox bypasses the system DNS servers by default. Some speculate this was a move to take over control of DNS so they could not only block sites they disapprove of, but allow children to bypass any DNS-based filtering their parents may be using that was preventing them from accessing LGBT propaganda. The only way to block this is at the router level by blocking known DOH servers in the firewall.
What the fuck is wrong with them
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