---
service: h.root-servers.net
metric: rcode-volume
start-period: '2016-02-21T00:00:00Z'
end-period: '2016-02-21T23:59:59Z'
rcodes:
  0: 691529372
  1: 1006562
  16: 16
  2: 198
  3: 2129147861
  4: 899448
  5: 25464
  9: 19