---
service: i.root-servers.net
start-period: '2013-12-21T00:00:00Z'
end-period: '2013-12-22T00:00:02Z'
metric: traffic-volume
  dns-udp-queries-received-ipv4: 2073737514
  dns-udp-queries-received-ipv6: 132331891
  dns-tcp-queries-received-ipv4: 4521207
  dns-tcp-queries-received-ipv6: 232343
  dns-udp-responses-sent-ipv4: 2023405841
  dns-udp-responses-sent-ipv6: 132470635
  dns-tcp-responses-sent-ipv4: 4536526
  dns-tcp-responses-sent-ipv6: 235081