I was speaking about the fact that Chrome also re-fetch some of the (most used) DNS entries in the background when they are about to expire (like they do for th

I was speaking about the fact that Chrome also re-fetch some of the (most used) DNS entries in the background when they are about to expire (like they do for the DNS "8.8.8.8" servers). I agree that prefetching however can't be done by a DNS cache program.