---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-06-21T00:00:00Z'
end-period: '2016-06-21T23:59:59Z'
rcodes:
  0: 509738435
  1: 296108
  16: 16
  2: 27
  3: 2003912923
  4: 139
  5: 1410
  9: 4