---
service: h.root-servers.net
metric: rcode-volume
start-period: '2015-11-21T00:00:00Z'
end-period: '2015-11-21T23:59:59Z'
rcodes:
  0: 647387442
  1: 1187474
  16: 16
  2: 49
  3: 1587494452
  4: 1019935
  5: 23279
  9: 14