---
service: i.root-servers.net
start-period: '2016-01-21T00:00:00Z'
end-period: '2016-01-21T23:59:59Z'
metric: traffic-volume
  dns-udp-queries-received-ipv4: 4996743360
  dns-udp-queries-received-ipv6: 363556468
  dns-tcp-queries-received-ipv4: 27302704
  dns-tcp-queries-received-ipv6: 789167
  dns-udp-responses-sent-ipv4: 4924899113
  dns-udp-responses-sent-ipv6: 367347832
  dns-tcp-responses-sent-ipv4: 27313661
  dns-tcp-responses-sent-ipv6: 795390