>Will be interesting to see if ISPs respond to a large scale thing like >this taking hold by blocking UDP/TCP 53 like many now do with tcp/25 >(albeit for other reasons). Therein lies the problem with some of the >"net neturality" arguments .. there's a big difference between "doing it >because it causes a problem for others", and "doing it because it robs >me of revenue opportunities".
I do hear of ISPs blocking requests to random offsite DNS servers. For most consumer PCs, that's more likely to be a zombie doing DNS hijacking than anything legitimate. If they happen also to block 8.8.8.8 that's just an incidental side benefit. R's, John