---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-03-31T00:00:00Z'
end-period: '2016-03-31T23:59:59Z'
rcodes:
  0: 877475014
  1: 1885478
  16: 16
  2: 570
  3: 2371633935
  4: 1204746
  5: 35380
  9: 10