---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-05-20T00:00:00Z'
end-period: '2016-05-20T23:59:59Z'
rcodes:
  0: 973251891
  1: 1137734
  16: 16
  2: 213
  3: 3443270826
  4: 124
  5: 19573
  9: 17