---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-01-22T00:00:00Z'
end-period: '2016-01-22T23:59:59Z'
rcodes:
  0: 725209136
  1: 1549067
  16: 15
  2: 19
  3: 2278270021
  4: 1154437
  5: 23956
  9: 15