--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-26T00:00:00Z' end-period: '2015-12-26T23:59:59Z' dns-udp-queries-received-ipv4: 2311168102 dns-udp-queries-received-ipv6: 239713904 dns-tcp-queries-received-ipv4: 434728 dns-tcp-queries-received-ipv6: 313744 dns-udp-responses-sent-ipv4: 2268340137 dns-udp-responses-sent-ipv6: 239402130 dns-tcp-responses-sent-ipv4: 239390 dns-tcp-responses-sent-ipv6: 278765