---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-05-21T00:00:00Z'
end-period: '2016-05-21T23:59:59Z'
rcodes:
  0: 900871279
  1: 1667830
  16: 16
  2: 167
  3: 3529333409
  4: 102
  5: 18572
  9: 39