As with all of Geoff Huston's columns there's a lot of very detailed info here. But this jumped out at me:
> So how can Google's Chrome browser platform detect network environments where NXDOMAIN substitution is happening? Simple. Test the DNS with its own nonce random string queries to see if NXDOMAIN substitution is taking place. ... these probes are now taking up some 50% of the total root server traffic
Also this:
> There is still no organized funding model for the root service.
1 comment
[ 2.8 ms ] story [ 12.2 ms ] thread> So how can Google's Chrome browser platform detect network environments where NXDOMAIN substitution is happening? Simple. Test the DNS with its own nonce random string queries to see if NXDOMAIN substitution is taking place. ... these probes are now taking up some 50% of the total root server traffic
Also this:
> There is still no organized funding model for the root service.