---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-04-30T00:00:00Z'
end-period: '2016-04-30T23:59:59Z'
rcodes:
  0: 751076902
  1: 1068277
  16: 17
  2: 214
  3: 2125793666
  4: 985282
  5: 22048
  9: 19