--- service: h.root-servers.net metric: traffic-volume start-period: '2015-06-24T00:00:00Z' end-period: '2015-06-24T23:59:59Z' dns-udp-queries-received-ipv4: 838523648 dns-udp-queries-received-ipv6: 89751192 dns-tcp-queries-received-ipv4: 136728 dns-tcp-queries-received-ipv6: 40352 dns-udp-responses-sent-ipv4: 800905135 dns-udp-responses-sent-ipv6: 83438979 dns-tcp-responses-sent-ipv4: 45578 dns-tcp-responses-sent-ipv6: 27012