---
service: h.root-servers.net
metric: traffic-volume
start-period: '2016-05-21T00:00:00Z'
end-period: '2016-05-21T23:59:59Z'
dns-udp-queries-received-ipv4: 4191399075
dns-udp-queries-received-ipv6: 338747628
dns-tcp-queries-received-ipv4: 503910
dns-tcp-queries-received-ipv6: 671040
dns-udp-responses-sent-ipv4: 4092341181
dns-udp-responses-sent-ipv6: 338749610
dns-tcp-responses-sent-ipv4: 172778
dns-tcp-responses-sent-ipv6: 627845