---
service: h.root-servers.net
metric: rcode-volume
start-period: '2015-12-18T00:00:00Z'
end-period: '2015-12-18T23:59:59Z'
rcodes:
  0: 1074286313
  1: 1077626
  16: 16
  2: 24
  3: 2021753722
  4: 1039247
  5: 21796
  9: 10