---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-01-18T00:00:00Z'
end-period: '2016-01-18T23:59:59Z'
rcodes:
  0: 710793415
  1: 1272272
  16: 16
  2: 44
  3: 2195856706
  4: 1293418
  5: 22296
  9: 11