---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-01-19T00:00:00Z'
end-period: '2016-01-19T23:59:59Z'
rcodes:
  0: 728876985
  1: 1548951
  16: 19
  2: 19
  3: 2268934184
  4: 1267072
  5: 33857
  9: 12