---
service: h.root-servers.net
metric: rcode-volume
start-period: '2015-12-21T00:00:00Z'
end-period: '2015-12-21T23:59:59Z'
rcodes:
  0: 793285952
  1: 1189035
  16: 16
  2: 41028
  3: 2099007356
  4: 1174089
  5: 57873
  9: 18