---
service: i.root-servers.net
start-period: '2013-05-21T00:00:00Z'
end-period: '2013-05-21T23:59:59Z'
metric: traffic-volume
  dns-udp-queries-received-ipv4: 2284651789
  dns-udp-queries-received-ipv6: 109710443
  dns-tcp-queries-received-ipv4: 3305590
  dns-tcp-queries-received-ipv6: 167819
  dns-udp-responses-sent-ipv4: 2289817354
  dns-udp-responses-sent-ipv6: 117192402
  dns-tcp-responses-sent-ipv4: 3817111
  dns-tcp-responses-sent-ipv6: 170348