--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-09T00:00:00Z' end-period: '2016-04-09T23:59:59Z' dns-udp-queries-received-ipv4: 2784527226 dns-udp-queries-received-ipv6: 259419170 dns-tcp-queries-received-ipv4: 1126023 dns-tcp-queries-received-ipv6: 393590 dns-udp-responses-sent-ipv4: 2689644073 dns-udp-responses-sent-ipv6: 259456681 dns-tcp-responses-sent-ipv4: 675877 dns-tcp-responses-sent-ipv6: 359240