--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-04T00:00:00Z' end-period: '2015-08-04T23:59:59Z' dns-udp-queries-received-ipv4: 1423330340 dns-udp-queries-received-ipv6: 106546638 dns-tcp-queries-received-ipv4: 274357 dns-tcp-queries-received-ipv6: 40294 dns-udp-responses-sent-ipv4: 1206899862 dns-udp-responses-sent-ipv6: 105164358 dns-tcp-responses-sent-ipv4: 74882 dns-tcp-responses-sent-ipv6: 20125