momentum DNS security , it describes the momentum Solves DNS Monitoring Problem For Large ISP Firm, solve the problems : •Monitoring the traffic of large) number of DNS servers •Precision Burst analyst •Constant DNS attack •DNS Traffic Visibility Benefits: •Capture and Record all packets •DNS Reporting capability independent from specific DNS software vendor •Support historical trend of DNS traffic with one second granularity. •Detect the attack with traffic trend or domain statistic