---
service: d.root-servers.net
start-period: '2015-12-15T00:00:00Z'
end-period: '2015-12-15T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 3918181090
dns-udp-queries-received-ipv6: 392389943
dns-tcp-queries-received-ipv4: 20496834
dns-tcp-queries-received-ipv6: 680561
dns-udp-responses-sent-ipv4: 3894917392
dns-udp-responses-sent-ipv6: 391991802
dns-tcp-responses-sent-ipv4: 20371354
dns-tcp-responses-sent-ipv6: 680108