---
service: h.root-servers.net
metric: rcode-volume
start-period: '2015-05-31T00:00:00Z'
end-period: '2015-05-31T23:59:59Z'
rcodes:
  0: 347966163
  1: 511954
  16: 4
  2: 24
  3: 576137296
  4: 779715
  5: 22192
  6: 2
  9: 4