---
service: d.root-servers.net
start-period: '2016-02-21T00:00:00Z'
end-period: '2016-02-21T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 3968824699
dns-udp-queries-received-ipv6: 423183534
dns-tcp-queries-received-ipv4: 21123199
dns-tcp-queries-received-ipv6: 958615
dns-udp-responses-sent-ipv4: 3952395043
dns-udp-responses-sent-ipv6: 422901443
dns-tcp-responses-sent-ipv4: 21100771
dns-tcp-responses-sent-ipv6: 958548
