@ARTICLE{ Author = {Castro, S. and Wessels, D. and Fomenkov, M. and claffy, k.}, Title = {{A Day at the Root of the Internet}}, Journal = {ACM SIGCOMM Computer Communication Review (CCR)}, Volume = {38}, Number = {5}, Pages = {41-46}, Institution = {Cooperative Association for Internet Data Analysis (CAIDA)}, Month = {Oct}, Year = {2008}, Keywords = {dns routing topology} }