---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-03-21T00:00:00Z'
end-period: '2016-03-21T23:59:59Z'
rcodes:
  0: 819871304
  1: 1761792
  16: 16
  2: 253
  3: 2252612967
  4: 1139137
  5: 21743
  9: 19