---
service: h.root-servers.net
metric: traffic-volume
start-period: '2016-07-21T00:00:00Z'
end-period: '2016-07-21T23:59:59Z'
dns-udp-queries-received-ipv4: 2180176451
dns-udp-queries-received-ipv6: 396746551
dns-tcp-queries-received-ipv4: 260363
dns-tcp-queries-received-ipv6: 582894
dns-udp-responses-sent-ipv4: 2160653030
dns-udp-responses-sent-ipv6: 396699867
dns-tcp-responses-sent-ipv4: 101499
dns-tcp-responses-sent-ipv6: 538198