SANTA CLARA, Calif. ( TheStreet) -- Infoblox ( BLOX) comfortably beat Wall Street's estimates in its first quarterly results since going public last month. The network-automation company issued robust earnings guidance.Infoblox brought in third-quarter revenue of $43.4 million, up from $31.8 million in the same period last year, and above analysts' estimates of $41.4 million. Excluding items, Infoblox earned 5 cents a share, compared with a loss of 3 cents. Analysts surveyed by Yahoo Finance! were looking for earnings of a penny a share.