---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-01-23T00:00:00Z'
end-period: '2016-01-23T23:59:59Z'
rcodes:
  0: 630681951
  1: 1211656
  16: 19
  2: 46
  3: 2069724104
  4: 886074
  5: 21517
  9: 4