---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-04-18T00:00:00Z'
end-period: '2016-04-18T23:59:59Z'
rcodes:
  0: 862586931
  1: 1239129
  16: 15
  2: 23
  3: 2401807979
  4: 1212749
  5: 21125
  7: 1
  9: 21