--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-27T00:00:00Z' end-period: '2015-07-27T23:59:59Z' dns-udp-queries-received-ipv4: 1618675068 dns-udp-queries-received-ipv6: 105636763 dns-tcp-queries-received-ipv4: 236737 dns-tcp-queries-received-ipv6: 45857 dns-udp-responses-sent-ipv4: 1304350249 dns-udp-responses-sent-ipv6: 104495328 dns-tcp-responses-sent-ipv4: 66055 dns-tcp-responses-sent-ipv6: 25343