---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-04-23T00:00:00Z'
end-period: '2016-04-23T23:59:59Z'
rcodes:
  0: 748693345
  1: 1366943
  16: 16
  2: 25
  3: 2212698417
  4: 896384
  5: 26576
  9: 13