--- service: h.root-servers.net metric: traffic-volume start-period: '2016-06-15T00:00:00Z' end-period: '2016-06-15T23:59:59Z' dns-udp-queries-received-ipv4: 2730885538 dns-udp-queries-received-ipv6: 338234030 dns-tcp-queries-received-ipv4: 355902 dns-tcp-queries-received-ipv6: 568551 dns-udp-responses-sent-ipv4: 2521816133 dns-udp-responses-sent-ipv6: 338010608 dns-tcp-responses-sent-ipv4: 69378 dns-tcp-responses-sent-ipv6: 542793