---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-01-31T00:00:00Z'
end-period: '2016-01-31T23:59:59Z'
rcodes:
  0: 605950477
  1: 1178459
  16: 15
  2: 7
  3: 2100227333
  4: 790097
  5: 29303
  9: 19