[pfg]

Wait, are you saying Firefox' DNS cache doesn't honor TTLs? If it's behaving the same way the OS cache does (i.e. drop entries after TTL is reached), basically any entry in Firefox would have to be in the OS cache as well.

Of course if Firefox actually ignores TTLs, forget everything I said.

I'll now set my hair on fire while pondering why they would do that.

[Dylan16807]

It does not honor TTL. The only reason I know about it is the pain it caused me in the past moving a site from one server to another. Everything else on my system went to the new server except firefox.