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ICANN’s Security and Stability Advisory Committee has told ICANN it needs to do more to address the problem of name collisions before it approves any more new gTLDs. In its latest advisory (pdf), published just before Christmas, SSAC says ICANN is not doing enough to coordinate with other technical bodies that are asserting authority over “special use” TlDs.
… three years ago, after studies determined that they were at risk of causing far more “name collision” problems than other strings. If they were to start resolving on the internet, the fear is they would lead to problems ranging from data leakage to systems simply stopping working properly. Name collisions are something all new TLDs run the risk…
… such as system failure and DNS queries leaking on to the internet. The applied-for gTLDs .corp and .home have been effectively banned, due to the vast numbers of organizations already using them. All other gTLDs were obliged, following JAS recommendations, to redirect all non-existent domains to 127.0.53.53, an IP address chosen to put network administrators…