Well, with ENUM you can still have those two numbers, each referring to their own set of services. One for home use and one for work. Where's the problem?

leto, I believe the author of PowerDNS, among other people, was acutely aware of such interoperability issues and has been endlessly advocating source port randomization and related measures. It took a Kaminsky to make the DNS world - too busy with DNSSEC as the "Endloesung" - to finally turn an eye towards reality again, and rush out a measure that was already implemented years and years ago by DJB and had been in an IETF draft for about 2 years. And you dare to write this? Wow!

You *will* tune it out. The description of the sound instantly reminded me of the simple "psssssssst" (a sharp almost whistling hiss) used by people in certain cities to grab the attention of taxi drivers, tourists, anyone. At first I *always* turned when I heard it. Now, I hardly pay attention.