> Given that each of us reads something different into the definition of HISTORIC, is there any hope that this thread will ever converge? I don't see any "progress". We may just have to blacklist any resolvers that have 6to4 clients behind them and leave it at that. _______________________________________________ Ietf mailing list Ietf@xxxxxxxx https://www.ietf.org/mailman/listinfo/ietf