--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-17T00:00:00Z' end-period: '2016-04-17T23:59:59Z' dns-udp-queries-received-ipv4: 2764411322 dns-udp-queries-received-ipv6: 301540917 dns-tcp-queries-received-ipv4: 648324 dns-tcp-queries-received-ipv6: 531254 dns-udp-responses-sent-ipv4: 2710209623 dns-udp-responses-sent-ipv6: 301397317 dns-tcp-responses-sent-ipv4: 250749 dns-tcp-responses-sent-ipv6: 493520