---
service: h.root-servers.net
metric: rcode-volume
start-period: '2015-05-18T00:00:00Z'
end-period: '2015-05-18T23:59:59Z'
rcodes:
  0: 274636570
  1: 771667
  16: 5
  2: 2704
  3: 526465644
  4: 616713
  5: 126172
  9: 6