David Dagon Manos Antonakakis Paul Vixie Tatuya Jinmei Wenke Lee Increased DNS forgery resistance through 0x20-bit encoding: security via leet queries. 211-222 2008 ACM Conference on Computer and Communications Security http://doi.acm.org/10.1145/1455770.1455798 conf/ccs/2008 db/conf/ccs/ccs2008.html#DagonAVJL08