I put this setting in ages ago on my FF profile and haven't seen DNS lag. My biggest DNS lag was before I used PiHole and was relying on my router, which upstr

I put this setting in ages ago on my FF profile and haven't seen DNS lag. My biggest DNS lag was before I used PiHole and was relying on my router, which upstream to 8.8.8.8. I've just assumed that little thing was overloaded or that Comcast was just having a "hiccup".