--- service: h.root-servers.net metric: traffic-volume start-period: '2016-05-23T00:00:00Z' end-period: '2016-05-23T23:59:59Z' dns-udp-queries-received-ipv4: 4263717862 dns-udp-queries-received-ipv6: 363638494 dns-tcp-queries-received-ipv4: 390867 dns-tcp-queries-received-ipv6: 879300 dns-udp-responses-sent-ipv4: 4125145137 dns-udp-responses-sent-ipv6: 363620300 dns-tcp-responses-sent-ipv4: 145470 dns-tcp-responses-sent-ipv6: 825469